TC 624 •J LIBRARY UiilVKRSITY OF CALIFORNIA PA VIS result t\ '1-1 JJWVERStTY OF CALIFORHM > LIBRARY 0AYI8 "* COPY 2 STATE OF CALIFORNIA DEPARTMENT OF WATER RESOURCES BULLETIN NO. 9I-| DATA ON WELLS IN THE WEST PART OF THE MIDDLE MOJAVE VALLEY AREA, SAN BERNARDINO COUNTY, CALIFORNIA PREPARED BY UNITED STATES DEPARTMENT OF INTERIOR GEOLOGICAL SURVEY FEDERAL-STATE UNIVERSITY Or CALl.-Or.NIA DA71S r--- \Z 1950 COOPERATIVE GROUND WATER INVESTIGATIONS JUNE I960 STATE OF CALIFORNIA DEPARTMENT OF WATER RESOURCES BULLETIN NO. 9I-| DATA ON WELLS IN THE WEST PART OF THE MIDDLE MOJAVE VALLEY AREA, SAN BERNARDINO COUNTY, CALIFORNIA PREPARED BY UNITED STATES DEPARTMENT OF INTERIOR GEOLOGICAL SURVEY FEDERAL-STATE COOPERATIVE GROUND WATER INVESTIGATIONS JUNE I960 LIBRARY yNIVERSITY OF cattt^owvia DAVIS This report is one of a series of open file reports prepared by the United States Department of Interior Geological Survey, Ground Water Branch, which present basic data on wells ob- tained from reconnaissance surveys of desert areas. These inves- tigations are conducted by the Geological Survey under a cooperative agreement whereby funds are furnished equally by the United States and the State of California. The reports in this Bulletin No. 91 series are being published by the Department of Water Resources in order to make sufficient copies available for use of all interested agencies and the public at large. Water Resources Division Ground Water Branch 2929 Fulton Avenue Sacramento 21, California May 18, i960 Mr. Hai-vey 0, Banks, Director California Department of Water Resources P. 0. Box 388 Sacramento 2, California Dear Mr. Banks: We have the pleasure to transmit herewith, for publication by the Department of Water Resources, U. S. Geological Survey report, "Data on Wells in the West Part of the Middle Mojave Valley Area, San Bernardino County, California," by R. W. Page, W. R. Moyle, Jr., and L. C. Dutcher. This investigation was conducted and the report prepared in accordance with the cooperative agreement between the State of California and the Geological Survey. This report, one of a series for the Mojave Desert region prepared by the Long Beach subdistrict office, tabulates all available data on water wells in the west part of the Middle Mojave Valley area and shows reconnaissance geology with special reference to the water- yielding deposits. Sincerely yoxors, Harry ]^ Wilson, Jr. J District Engineer CCKTEKTo Page Pu.rpose and scope of the work and report 3 Location and general features of the area 5 Previous work and acknowledgments 7 Geologic and hydrologic features of the area 9 Description of tables 15 Well-numbering system 16 References i& TABLES Table 1. Description of wells in the vest part of the Middle Mojave Valley area — . 21 2. Cross index of other well numbers and Geological Survey numbers — ._ jlj. 3„ References that contain water-level measurements in wells in the west part of the Middle Mojave Valley area, California 76 h. Wells for which periodic water-level records are available 77 5. Records of water levels in wells 79 6. Drillers' logs of wells ■ 89 7. Chemical analyses of waters from wells — 114 PLATE Plate 1. Map of the west part of the Middle Mojave Valley area, California, showing recormaissance geology and locations of wells jji pocket DATA ON V7ELLS IN THE VffiST PART OF THE MIDDLE MOJAVE VALLEY AREA, SAN BERNARDINO COUNTY, CALIFORI\[IA By R, W, Page, W. R. Moyle, Jr., and L. C. Dutcher PURPOSE AND SCOPE OF THE WORIC AND REPORT The data presented in this report were collected by the U, S. Geological Survey as a phase of the investigation of water wells and general hydrologic conditions throughout nnach of the desert region of southern California, The study was made as a part of the cooperative program with the California Department of Water Resources. The desert regions of California are characteristically regions of nearly barren mountain ranges and isolated hills surrounding broad valleys which are underlain by alluvial deposits derived from the surrounding highlands. The valley areas generally contain ground water having a wide range in chemical quality, which in many areas can be more fully developed for beneficial use. The general objective of the cooperative Investigation is to collect and to tabulate all available hydrologic data for the desert basins in order to provide public agencies and the general public with data for use in planning water -utilization and development works, and for use in subsequent ground-water investigations. Accordingly, the scope of the work carried out by the Geological Survey in each area has included: (l) Visiting and examining most of the water wells in the eirea, determining and recording their locations in relation to geographic and cultural features and the public-land net, and recording well depths and sizes, types and capacities of puniping eqi\ipment, uses of the water, and other pertinent information; (2) measurements of the depth to the water surface below an established and described measuring point at or near the land surface; (3) selection of representative wells to be measured periodically in order to detect and record changes of water levels; and {k) collection and tabulation of well records, including well logs, water-level measurements, and chemical analyses. The work has been carried on by the U, S. Department of the Interior, Geological Survey, under the general supervision of H. D. Wilson, Jr., District Engineer in charge of ground-water investigations in California, and under the direction of Fred Kankel, Geologist in Charge of the Long Beach subdistrict office. The f ieldwork was carried on by the authors, with the assistance of R. B. Bartlett and J. R. Cox, between October 1957 and September 1958 from the subdistrict office at Long Beach. LOCATION AND GENERAL FEATURES OF THE AREA The wast part of the Middle Mojave Valley area described in this report (plate l) covers about U70 square miles and in general includes parts of the Upper Mojave, Middle Mojave, and Harper Valleys (after Thornpson, 1929, pis. I7 and 22), The principal communities in the area are Adelanto, Oro Grande, Helendale, and Beechers Corners. The area is in the southwestern part of the Mojave Desert region bet^i^an 117°10' and 117°i+0' west longitude and 3i^'^30' and 35°00' north latitude. The southern boundary is coincident with the northern boundary of the Upper Mojave Valley area after Bader, Page, and Butcher (1958), The northeastern boundary lies along the approximate location of the Helendale fault which trends generally northwestward. Tho northern boundary is the 35°00' north latitude line, wh:.ch also is the southern boundary of the Harper Valley axea (Kunltel, 1956). The western limit coincides with the boundary line between San Bernardino and Los Angeles Counties. The area is shown on all or parts of the following U. S. Geological Survey topographic quadrangle maps: Adelanto, EclcndalG, Shadow Mountains, Victorville, and Vlctorville IW, at a scale of 1;24,000; Apple Valley, Hawes, Shadow Mountains, Victorville. and Krai£?.r, at a scale of 1:62,500; and Barstow at a scale of 1:125,000. Access to the area Is provided by U. S. Highways (^y 395^ and 14-66, as well as several other paved and many unpaved reads. Topographically the area consists principally of broad alluvial fans and gently sloping alluvial plains that extend into the area from the northern slopes of the San Bernardino and San Gabriel Mountains. The Mojave River traverses the area from south to north in a well-defined channel cut below the surrounding alluvial plains and bedrock hills. The Shadow Mountains and the Kramer Hills aire the dominant topographic forms in the western part of the area. Quartzite and Silver Mountains and unnamed hills rise above the alluvial plain and border the area on the southeast. The mountains and hills consist mainly of granitic, metamorphic, and sedimentary rocks which eire of little or no significance with respect to the water supply of the area. PREVIOUS WORK AMD ACKNOWLEDGMENTS Data on ground water in the west part of the Middle Mojave Valley- area are contained in several U. S. Geological Survey water-supply papers (table 3) and in reports by the California Department of Engineering (1918), California Department of Public Works (193^)^ California Department of Water Resources (1958), and unpublished data from the San Bernardino County Flood Control District and the U. S. Bureau of Reclamation. The California Department of Water Resources and the San Bernardino County Flood Control District provided access to all pertinent information in their files, including numerous well logs, water-level records, and chemical analyses. The U. S. Bureau of Reclamation also provided water-level records and other miscellaneous data. The geology as shown on plate 1 is by R. W. Page and W. R. Moyle, Jr., Plate 1. Map of the west part of the Middle Mojave Valley area, California, showing reconnaissance geology smd locations of wells. and is largely generalized after unpublished mapping by T. W. Dibblee, U. S. Geological Survey, Mineral Deposits Branch, in the Kramer and Ilawes quadrangles, L. C, Dutcher in the Shadow Mountains, Victorville, and Eaves quadrangles, and in part after Bowen (l95^). The cooperation and assistance given by the many ranchers, well ovmers, drillers, and public agencies contributed materially to the completeness of the data presented in this report and eire most gratefully acknowledged. 8 GEOLCXJIC AND HYTROLCGIC FEATURES OF THE AREA The geologic units in the west part of the Middle Mojave Valley- area can be grouped into two "broad categories; consolidated rocks and vuaconsolidated deposits. The consolidated rocks are for the most part impervious and, except for minor amounts of water in cracks and weathered zones, yield little or no water. The consolidated rocks (pi. l) comprise the old crystalline, metamorphlc, and consolidated sedimentary rocks of pre-Tertiary age which collectively form the basement complex and the consolidated sedimentary rocks of Tertiary age. ■ The consolidated sedimentary and pyroclastic rocks of Tertiary age are parts of the Ricardo formation of Pliocene age in the Kramer quadrangle (Dibblee, unpublished) and the Tropico group of Miocene(?) and Pliocene(?) age, which was mapped by Dibblee (1958) In the Castle Butte quadrangle. They consist mainly of gray and red conglomerate, arkose, cobble gravel, tuff, sandstone, chert, limestone, gravel, sand, silt, and clay. For the most part these rocks are poorly permeable, but locally where penetrated by deep wells they yield small amounts of water to domestic wells. Volcanic rocks of acidic composition, mainly andesite, rhyolite, quartz basalt, and dacite of Mlocene(?) and Pliocene age, also occur in the west part of the Middle Mojave Valley area. These rocks also are part of the Ricardo formation and the Tropico group. Extrusive and intrusive basalts of Miocene(?) and Pliocene(?) age also occur in the area. These rocks are part of the Tropico group. The unconsolidated older alluvium of late Pleistocene age consists of compact arkosic gravel, sand, silt, and clay. The deposits are weathered, and locally the feldspars have been altered to clay. Near the hills the unit is predominantly gravel but beneath the valley areas it is finer grained and better sorted. Because the older alluvium overlies the basement complex, older fan deposits, or Tertiary continental rocks on which an erosional surface of considerab] local relief is present, the thickness of the older alluvium varies greatly from place to place. Where saturated the older alluvium yields moderate quantities of water to wells. 10 The older fan deposits of Pleistocene age consist of slightly consolidated fanglomerate or unsorted, unbedded boulder gravel occurring as isolated erosional remnants, ' The toaterials are mainly from a granitic source but fragments of basalt, andesite, dacite, and meta- morphic rocks eire common. The unit is nearly everywhere above the water level in wells and is ur^saturated. However, the attitude of this unit suggests that locally it may extend beneath the younger or older alluvium in the valley and where saturated may yield small quantities of water to deep wells. Old lake deposits of late Pleistocene age are locally inter- bedded with the older alluvium or the older fan deposits. These deposits are silt, clay, fresh-water limestone, and lime-cemented gravel, sand, and silt. The river alluvium of Recent age \uiderlies the flood plain of the Mojave River and is composed mainly of fine gravel and sar:.d. Where saturated it yields water freely to wells. The river alluvium beneath the Mojave River, where most of the wells are drilled to shallow depths, is the principal water-bearing unit in the area. However, beneath much of the area west of the river, where the depth to water is greater and where the younger alluvium is absent and the younger fan deposits are unsaturated, the wells yield water derived from the older alluvium. 11 The river -channel deposits beneath the active channel of the Mojave River consist mainly of highly permeable sand which permits a leirge seepage loss to the main water body whenever runoff occurs. The younger fan deposits of Recent age are mostly poorly sorted boulders, arkosic gravel, sand, silt, and clay derived from nearby hills or mountains. The materials have been transported only a short distance and mainly represent mudflow or slope-wash debris. Near the hills and mountains the younger fan deposits are coarse grained, but they become finer with increasing distance from the areas of active erosion. These deposits are poorly sorted and poorly permeable, are usually above the water table, and are believed to be unpromising sources of water. Playa deposits of Recent age occur principally at the base level of some minor draineige areas. They consist principally of silt and clay and minor amounts of semd, are of low permeability, and where saturated usually contain water having a moderate to very high content of dissolved solids. Unconsolidated coarse to fine dune sand occurs in the northwest part of the area. The dunes, in part at least, are actively drifting; locally some small interdune playas ore Included in the eurea shown as dune sand on plate 1. 12 In 1958 the water levels in wells ranged from near land surface beneath much of the land near the river to more than 200 feet below the surface of the higher parts of the alluvial fans and plains. The movement of ground water through the older alluvial deposits is complicated by several ground-water barriers in the area which are presumed to be major faults. Ground-water recharge to the area is from deep penetration of rain, percolation of s\irface water from the Mojave River, and subsurface ground-water flow from the Upper Mojave Valley area of Bader, Page, and Dutcher {1958). Deep penetration of rain is minor, but during infrequent wet years probably occiirs over the entire area. In the area west of the river and approximately north from the latitude of Bryman junction deep penetration of rain and local storm runoff probably are the principal soxxrces of ground-water recharge. Substirface grotmd-water flow from the Upper Mojave Valley area is the principal source of recharge to the area west of the river southward from Bryman junction. Numerous springs issue from the bluffs along the west side of the river near Oro Grande. 13 The Helendale fault (pi. l) strikes across the Mojave River north of Helendale but does not appear to be a barrier to the movement of the ground water in the river alluvium. Ground-water movement in the river alluvium is downstream generally parallel to the river. In the area neeur Adelanto the ground-water movement is northeastward toward the river but in the several subbasins separated by barriers in the north and northwest parts of the area ground-water movement is southeastwaard or eastward toward the river. About 625 wells were canvassed in the west part of the Middle Mojave Valley area during the investigation. A few of these wells are not shown on plate 1 and table 1 because they were either dry or destroyed at the time of the field canvass and little or no informa- tion is available for them. lU DESCRIPTION OF TABLES The tables in this report contain or refer to all known data, published and unpublished, for wells in the west part of the Middle Mojave Valley area. In table 1 all wells canvassed for which data are available are listed according to township, range, and section. (See well -numbering system, p. l6. ) In table 2 cross indexes are given for numbers previously assigned to wells by others and well numbers assigned by the Geological Survey, Table 3 lists publications or reports which contain water-level measurements made in wells in the area. In table k the wells are listed for which periodic water-level measurements are available. Table 5 contains all available lonpublished records of water levels in wells. Also, the complete records of water-level measure- ments are given for wells 6/5-ll^Ml, 29J2, 3^E1, 7A-30C1, T/5-22R1, 8/U-20N1, and 31R1. These are key wells which indicate ground-water conditions in various parts of the area. Table 6 contains drillers' logs of wells and table 7 contains chemical analyses of water from wells. 15 WELL-NUMBERING SYSTEM The well -numbering system used In the west part of the Middle Mojave Valley area is that used by the Geological Survey in Callfcmia since I9U0. It has been adopted by the California Department of Water Resources and by the California Water Pollution Control Board for use throughout the state. Wells axe assigned numbers according to their locations in the rectangular system for the subdivision of public land. For example, in the number l/k-€Ul, which was assigned to the irrigation well of Norman Goss, the part of the number preceding the slash indicates the township (T. 7 N. )^ the part between the slash and the hyphen is the range (R. ^ W. ), the number between the hyphen and the letter indicates the section (sec. 6), and the letter indicates the UO-acre subdivision of the section as shown in the accompanying diagram. * s i^i ^ : M « J 16 Within the UO-acre tract wells are numbered serially as indicated by the final digit. Thus, well 7A-6D1 is the first well to "be listed in the NWiuW^ sec. 6. Because the area lies entirely in the northwest quadrant of the San Bernardino base and meridian lines the foregoing abbreviation of township and range numbers is sufficient. For the well numbers where a dash has been substituted for the letter designating the i+O-acre tract the dash indicates that the well is plotted from unverified location descriptions; the indicated sites of such wells were visited but no evidence of a well could be found. Exceptions to the system of numbering wells, according to their position in the ^l-O-acre subdivision of the section, are to be found. In those instances where the wells have been found to be located inaccurately^ they have been correctly plotted on the map but the original number assigned has been retained. This has been done to avoid confusion in the numbering system and to prevent the necessity for number changes in reports already published. Fortunately these mislocated wells are few in number and were seldom misplaced any farther than one of the adjoining UO-acre subdivisions. 17 I REFERENCES Bader, J. S., Page, R. W., and Dutcher, L. C, 1958, Data on water well* in the Upper Mojave Valley area, San Bernardino County, Calif,; U. S. Geol. Survey mimeo. rapt., 238 p. Benda, W. K., Erd, R. C, and Smith, W. C, 1957, Core logs from five holes near Kramer, in the Mojave Desert, Calif.: U. S, Geol. Survey mimeo. rept., 132 p. Bowen, 0. E,, Jr., 195^, Geology and mineral deposits of the Barstow quadrangle, San Bernardino County, Calif. : California Div. Mines Bull. 165. California Department of Engineering, I918, Report on the utilization of Mojave River for irrigation in Victor Valley, Calif.: Bull. 5, 93 p. California Department of Public V/orks, Water Resources Division, H| I93U, Mojave River Investigation: Bull, hj, mimeo. rept,, 2U9 p. California Department of Water Resources, 1958, Water supply conditions in southern California during 1956-1957, vol. 3/ Precipitation and water level data, Lahontan, Colorado River basin, Santa Ana, and San Diego regions: Bull. 39-57. Dibblee, T. W., Jr., 1958, Geologic map of the Castle Butte quadrangle Kern County, Calif.: U. S. Geol. Survey Mineral Inv. Map MF-I70. Dickey, D. D. , 1957, Core logs from two test holes near Kramer, San Bernardino County, Calif.: U. S. Geol. Survey Bull. lOli-5-B, I6 p. 18 Kunkel, Fred, I956, Data on water wells in Cuddeback, Superior, and Harper Valleys, San Bernardino County, Calif. : U. S. Geol, Survey mlmeo. rept., 73 p. San Bernardino County Flood Control District, 1951, Hydrologic and climatic data, v. 2, I9U7-5O: Mimeo. rept., p. 170. _^ _195^, Hydrologic and climatic data, v. 3, 1950-51 and 1951-52: Mimeo. rept. p. I31, I37. _1958, hydrologic and climatic data, v. U, 1952-53 and 1953-5^: Mimeo. rept. p. I59-I60, 162-I63, I65. Thompson, D. G., I929, The Mohave Desert region, Calif „: U. S. Geol. Survey Water-Supply Paper 578, p. 266-279, 371-436, United States Geological Survey, 19I+O, Water levels and artesian pressure in observation wells in the United States: Water-Supply Paper 886. United States Geological Sxirvey, 1941-57, Water levels and artesian pressure(s) in observation wells in the United States, part 6, Southwestern United States: Water-Supply Papers 911, 9^1, 9^9, 991, 1021, 1028, 1076, 1101, 1131, 1161, 1170, 1196, 1226, 1270, 1326, l409. 19 and 20 CO •H s (U ■p ■P h U I I •H H td o -p c 3 o o G •H -a u c a CO a •p o +> bO C •H o O O j w t " :3 so •H rt 0) " -9 •H a bo 3 o a o H 0) rH o (u JH (U +> Xi c > c o a o M-P O U 0) 0) CO 3 •^, C -P CO o CO (U '3- eg o H '^ Pk CQ c3 KIO ft D C •H H CO oil )0 S 5 a s K ^ Ui 'vi •n CO t3 1 s ■p O h' •H fc; a O « (3 <: o +> J-i a (U 0) •p >^ •3 o u o & (U u bO (U o a o •p c o o o ■p o ^ QJ 3 CO CQ G CO > H to 0) 0) -H ^ ^B c (u o •H x: -H _ -p -p cu 0) a -p -p C o CO tM CO o c 01 ft" ^^ ft ft O CD Si 0) -.+> !-i 0) C8 G +> •H 3 H H ^ > O ■P X! O ca (U -p OJ CO -8 o (U ■p ca ■H a O CO (h 03 G C[) -d TJ i x: o o jTJ -P X! 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Date of serv tion ir\ LA l/^ irs ITv IP> if\ oo ITv W\ m lA lA 1 CO J- 1 J- 1 J- CD 1 l/^co 1 J- -* 1 O t J- 1 r-i rH 1 H ja 1 1 1 1 1 1 1 CM 1 1 1 1 % VO M3 MD vi) VO VO VO r-t VO VO VO VO VO **oJ** ' to' U -P ^ (4 o ea tJ dj t, -d fl J3 ^ CO 03 CO CO CO CO ^4 CO CO CO CO CO 5 vi o - c5 O CJ C5 CJ a C3 S C5 C5 o C3 o _w o a ^ ^ d U ^ S ^ d S s^ ■a s u cy CO a* 3 O O o o H H rH H H a-i m 1 CO m m ro m m m m ro o-i oo 3| s S 66 CVI OJ s o bO o u CO CO I H I CO O c A) CO I VD CO fe o-^ t- OJ • * MD ^ ^ :§• tA OJ VO -* % ::! • • • m • vo rH -■t vo y— ^ •H I: U CO 4) +> J3 ■ ^ •p > (d (D t3 (0-— » x: iH -p +> • ft -p <5^ •n a -p O (U O rH ft 0) « o I (0 CO c o CO +> u as Tt V n c xi 3 +J ft-i o o CO (U CO a ft o o > :S OJ rr» • • • 00 hONO l/\ S '^ cy o m J- o J- LfN OJ CO • u ^ a a s o J- (VJ •4 *A O o t o 1 00 8 CO o O ?1 M -•M s h1 O a ^ 00 o 5 § •H s o o I I 00 o « •d 0) s ^ 5 ^ o o (U <« •3 • c s fe 0) • EH (U »-9 <. w CO 00 00 cu OJ LfN u^ ip> ro ro CVJ cy HVD CO r4 .-1 rH rH CVJ VO VO m o MD r-l rH CO CO CO 1 a C3 C3 PS Eh s ^ g OJ 1 OJ C\) OJ OJ on on m CO ^ 3: CO OJ CO 3 CO OJ M m OJ CO Q OJ :§ CM a s: a K s: C5 » s S s ^ H rH VD r-i rH on VO trv K « g o CJ cr\ ir\ O o 00 on CO C7\ r-i cu ITN O rH CVJ OJ OJ OJ w VO ir\ 00 r4 ITN l/N ir\ m C7\ ON ON c> f-l r-i O -P ■i H "t § OJ -p • rH O C rH m (U •p s o ^ & Vi a § r^ rH C5 P4 lU CO rH O e • ? . • § • < o CO w s 00 00 00 00 00 ^/^ ITV irv ir\ l/^ VO vi VO 1 VO 1 VO OJ CVJ C\J C\J cu 1 CO c4 1 CO 1 CO a!, CO CO CO CO CO a C5 C5 C5 Cj rH J- E3 cr\ H O H S 1 rH rH CVJ cy l/\ CO 68 00 lA oo r- On O o O o O • • • • • 00 H H ^ JO r-\ ■LA H >5 ■9 •9 CO •LPi On o\ u\ d \S\ o o o vO UN i-r\ O ^ C-- -d- OJ H -d- C^ c^ i>- c^ C— CO On Os CM C\J cr\ CO CO O "LA XA -:J nO vO O On On r^ CO CO o o • H 1 • o 1A • • H 1 o Eh S a- :2 o E-i ^ ^ a a a a to a a a C3 1A &H CO « o H •LA OS H O CO 1-A CO s 3 CO • 3 S en CO O CO 12 NO OO E-H OO OO CO •LA lA XA 1 \A f- r- co cg 1 1 CO a!, CO CO fA a 13 :s 3 3 hJ >A 3 H H CO CO ^ « o u •LA CvJ o • CO H ^ H = C rH rH (U CO g (D CD H V > -P •P ^ Q rf ■a; .3 O IS x; O O +J •p n CO o (U E CO CO • ,Q tu •=5! • H e £0 w CO 0) N -p T5 O •r) • (0 • <; o H ^1 ?J := W (=1 ►^ OO OO CO CO ■LA tA u^ •LA 1 1 1 vO C^ -=f c>- CVJ 1 co 1 1 H 1 OO J H CO 3 3 CO O CO H I OO CO H CO o 3 OO CO \A O H fA 69 CO C5 H I OO 3 OO o 0^ CO CO lA t CO I OO CO C3 CO x: o CCi PL. CO •LA CM 1 OO CO ON H C5 3 h^ hP CO CO o o o CO H NO •LPi CM CO ■LA On H CO lA CA H OO VA OD CM I OO CO o CM 0} O CO lA I OO CM I CO CO CM CO o s OJ -d . ^ 0) O H , ^ 0) (1) m rt bjCI m Sp. cap. Yield: (gpm): -P Purp : type : and : power: 1 Type, diam- eter (in.) Depth (ft.)- : Year : : com- : :pleted: a o Q 03 -P ClJ ■p _^ n C CO Cm O CO (4 O ^0 H • H fo rA CM C\J •LA \A CTs C?\ vO ^ UN 0\ • • »c\j O I H H I cvj CVJ cvi CM O \A CVJ 1A UN CM 0\ • • X ^ :l^ a 3 E.5 lAUN to a a C3 CO o o C?s o o oo CO (H 00 00 12 \A Eh • CD ■UN I C\J I 03 CO o •-a CM I cx) CO CD C^ I I NO J CVJ I I CO XA CO CO C3 C3 12 m o fA o CM lA CM H I O 0\ o CJ O O CO Eh H 3: 2; 3 S S CM CM Si S, *A 6h EH 00 H U S n -a- CM lA CM CM H U (U •H H rH •H CO .3 0) x: 0) QQ 0) (D CO r^ CM CO CM CM ■LA\AU\ ^AvVA-ir 1 1 1 1 1 CN 1A CM -3 ■LA en rH CVJ CM CM CM CM ciJtQ 00 I r-l H CO CO CO CO CO CO C5 d d r^ XA vA "^ Q 70 §8 o CVJ CVJ § (0 CO s Q O P ts K3 u^ iJ o o t— lA ro H CVJ cu CVJ o C^ ONOJ ITv O t-o • • • • • • • • • € 5^^ a>^ ta^ H H H CVJ rH cu H rH o CVJ PO ^ n ca CVJ J- CV) ir\ ITS OJ CVI ^ aa§ o o o CQ CQ CQ O O O EH ti E^ S o :§ ad 8 CVJ o H ITV CVJ oJ o o o • • • OJ CVJ CVJ o o o EH EH EH ^ aaa :§ s 71 ITk s s S s a ro CO C5 C5 a a H EH 3 a a a EH EH i-:i iJ a a o O J- J- o O O ^^ rH r-\ CO H rH rH H r-i l/^ fi a a 00 • CO • H O • ^ (^ o o o o o o ifMr\ CO CO u^ t-- t- J- o o J- J- X>vo u> lf\00 OO CO CO CO o m ^ rH CVJ CU CU cu CVJ s cu CO cu o cy\ ITS o\ CO J- CO ■^ ON C3N CTn fH rH H o •H H • H u U ^4 ^H u ^ 0) 0) (U +> V •H •H •H U o •H (U rH U H JI (U v H H d^ C d •H H ^ rH •H >H o3 O (1) 03 CO d • td (0 Q a 0) o C ►=3 S a (^ C •H (0 CO 03 ^ Ih PQ U ^4 0) •H D U rH o o o U O P o • a "5 O Ph k • K • « CO CVJ o coco CO^ CM CO ir\uNj- oo 00 00 CU CK CO J- CO CO ON ITN m Lf\ ir\Lf\ l/MTV Lf\ l/Mr\ LP> LTN LfN ir\ LTv ITN^ l/N LTN LfN ITN rH 1 1 1 1 1. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ON ITS cno if\ irs ir\H m VDCO ro r-i OJ ir\ ir\ CO 1 ITN rH cu ITN H a • CVI CVJ ro CVJ CVJ CVJ 1 cu OJ H 1 cu CU cu OJ • CU 1 OJ CU ^ -d 1 1 1 1 1 1 OJ 1 ci 1 I cu 1 1 1 1 1 1 CU I 1 OJ CO o O 00 on CO H O t-i cnr-{^ CO 00 o o 00 H-d- 00 ct a r^ rH S rH f-i iH r-i ctio eepe CO CO K to 1 CO CO CO CO CO CO CO CO CO to CO CO CO CO CO CO 1 g-d C5 C5 m O &4 CJ u a o c5 c5 ci) ca a C5 C5 C5 CJ O C5 C5 Eh •P H a W rH o :3 CO oo ^ Lf^ V3 H H H rH w M W w P^ i-:i P-( 1 • • LTN ir\ ITN ir\ Lr\ u> vo VD \D O JH U H +J > :2 H "ts" x; H -p ■p H ■H Ow to G •H 4^ u a O — ' o ■p •a 1^ 0) Id— N M B >i — • I Q p a •p • ftp I (U B P O (U O rH ft 0) a u a> 7 " •* c3 D > C P -i o 3 CO o c o CVJ 8 SS 8 8 CM OJ CVJ W CJ OJ 3 C •H P c o o I I MD o CTs H i) O o CQ ^ ^1 CO v D 3 c cu x> .s to m OS rH 0) o o a <«; CO K o 1 CJN 1 r-\ r-i O h s i OJ 8 VD 6" O O irv ir\ iTi oo ON 0\ CO OJ O O -d- J- J- LTV Lr\ Lf\ cy o EH a aa s S 8 3: CO S 3c B ^ 2; w:) Eh (4 >A o rH CO OD CO « « Q <^ o cd I CO ITN I LfN OJ I CO CO o I CO IfN H C3 H I H 00 m IX\ l/N I I l/N t- C\J rH I I CO J- CQ CO O C5 m I 73 Table 2. — Cross Index of other well numbers and Geological Survey numbers The first column sho\/8 the number assigned to the well by the other agency indicated and the second column shows the Geological Survey nu'rher assigned to the same well. The numbers of the other agencies are listed consecutively. Numbers missing in the consecutive listings are for wells outside the west part of the Middle Mojave Valley area, for wells for which no data are available, or for wells for which the other numbers and Geological Sarvey numbers are the same. CEE numbers are after Calif c.-:iia Department of Engineering (1918) and Thompson (1929, p. 399-^01). DCT numbers are after Thompson (1929, p. 271 and ^^36). Part 1. California Department of Er jgineerlng (CIE) 1918. and Thor-oson (D3T) 19^19 » CDE : USGS : CDE : uses ! DGI : USGS number : number : number : number : number : numb'^r 19^ 6/5-32P1 : 279 7/5-26DI ' 3 10/7- 2-2 195 3itJl : 2P0 27H1 k 2-1 196 3UEI : 281 27C1 ! 5 2-3 197 33A1 : 282 27-1 6 10/6- 6-1 198 26QI : 283 15-1 93 l/k' 7Q3 199 6/5-llna : 281^ 7/5-31-1 9k 7/5-1^^-1 200 iUml ! 285 6/5- 2ia • 95 15PI 201 I6RI : 286 7/5-26MI : 101 8/l^-30H2 202 28-2 287 6/5- 2E1 ■ 102 19RI 203 28F3 ; 288 lOHl 103 32N2 20l| 6/5-20-1 < 289 6/5-28-3 31^1 6/U-27-I 205 20R1 290 28-1 3U2 27-2 206 20-2 291 lUDl 207 27-1 302 6/U. 6E9 208 8P1 ! 303 7/i+-19Gl 266 6A.33-I : 30U 7/^^-19-2 267 3kT>3 305 7B1 268 3hKj 306 18KI 271 32IJ2 : 307 6/5-21-1 272 32N3 : 308 26-1 273 6A-18-1 : 309 6/5-19B1 27k 18P3 : 310 30-1 275 18P1+ 311 30RI 276 7/'i-30Ci 1 277 30D2 > 278 19-1 I 74 Part 2. M-numbers assigned by all agencies doing grouftd-water work prior to July 1, 19^3 > when the Geological Survey numbering system was adopted (U. S. Geological Survey, ig'^S) M : USGS : M : USGS number : number : number : number 1 6A-29-1 ! 15 8A-31R1 2 30-1 : 16 32-1 3 19-1 : 17 31-1^ k 7N2 ! 17a 31-3 5 6E9 ! 18 31-2 6 7/5-25J7 ! 19 31D1 7 7/'+-30Cl I 20 19P1 7a 7/5-26B1 t 21 19R1 7b 22R1 ! 22 20N1 7c 22N1 5 23 20Q1 7ca 7/5-22N2 ! 2k 30H2 8 7A-19N2 l 101 7/5- IRl 9 , 19-3 : 105 6A-30D5 10 7/5-21^-3 : 106 7/5-2-1 11 2li-2 12 7/5-2U-1 12a 2hB2 12b 2iH0. 13 7/1^-1901 lU 703 Part 3* San Bernardino County Flood Control District (F), given only where different from Geological Survey number F number USGS number F number USGS number 6/t<-19Gl 6/5-15R1 18B1 29H1 29H2 6/U-19-1 6/5-15-1 18G1 29 Jl 29H1 6/5-30J1 32J1 33L1 8/1+-32X1 10/6- 5F1 6/5-30R1 32R1 33-1 8/U-32MI 10/6- 5E3 75 Table 3« — References that contain water-level measurements in wells in the './est part of the Middle Mojave Valley area, California Years for which measurements are available Year of publication 1912, 1917-18 1905-32 19^6-50 1951-52 1952- 51* California Department of Engineering Ceilifornia Division of Water Resources San Bernardino County Flood Control District San Bernardino County Flood Control District San Bernardino County Flood Control District 1918 193** 1951 195'+ 1958 U. S. Geological Survey Water-Supply Papers 1/ Years for which measure- ments are available :No. of: : Water- : : Supply: : Paper : Year of : publication : Years for which measure- ments are available :No. of: - :Water- : : Supply: : Paper : Year of publication 1912, I9IT-I8, 1928 578 1929 : 191+7 1101 1951 al905-39 886 191+0 : I9I+8 1131 1951 19^0 911 191+1 I 191+9 1161 1952 19i^l 9U1 I9I+3 : 1950 1170 1953 19^2 9U9 19hh : 1951 1196 I95I+ 19i^3 991 19I+5 : 1952 1226 1955 19^U 1021 19I+7 : 1953 1270 1956 19'+5 1028 19»+9 : I95I+ 1326 1957 19k6 1076 19U9 : 1955 IU09 1957 1. For complete titles see references. a. Measurements for years prior to 1932 are reprinted from earlier publications cited above. 76 I Table 1^.— Wells for which periodic vater-level records are available (Published and unpublished data) USGS : F ,: M : CDE or DGT : Records ava^l^able umber :nuinbei>-/ tnuraber : number^ ; (years )^ 6A-6E9 5 302 1917, 1930-32 7N2 h 1930-32 19-1 19G1 3 1930-32, 193^-^7 29-1 1 1930-32 3OD5 105 1930-31 30-1 2 1930-32 6/5-8FI 191^7-58 lUi^a 200 1918, 19^7-58 15-1 15R1 19^7-5^ I8GI 18BI 19^^7-1+8, 1950, 1952, 195^ 6/5-I8PI 191+7-56, 1958 19C1 19^7-50, 1952-58 28E1 19^9-50, 1952, 1958 28P1 l9^7-,^8, 1950-58 29J1 29H1 1953-58 29m 29H2 igi+i^-i+S, 1951, 195^-56, 1958 30RI 30JI 311 1917, 19^7-58 32P1 19*+ 1917, 19^7, 19I+9-51, 1953-55, 1958 32P1 32J1 I9I+8-55, 1957 33-1 33L1 19^8-57 3»+El 196 1917, 191+8-53, 1957 7 A- 7Q3 1^ 93 1925, 1931-32 19G1 13 303 1918, 1922-23, 1930-32 19N2 8 1930-32 19-3 9 1930-32 30CI 7 276 1917, 1930-32, 1935-58 7/5- IRl 101 1930-32 2-1 106 1930-32 22N1 7c 1950, 1953-56, 1958 22N2 7ca 1956-58 22KL 7b 1950, 1953-58 2I+RI 12b 1930-32 2UR2 12a 1930-32 2U-I 12 1930-32 2i+-2 11 1930-32 2lf-3 10 1930-31 25J7 6 1930-32 26BI 7a 279 1918, 1950, 1953-58 1^ San Bernardino County Flood Control District numbers axe shovm only where different from U. S. Geological Survey numbers. 2. California Department of Engineering (1918) data are also shown in WSP 578 by D, G. Thompson (l929). 3, See table 3 for references to published water-level measure- ments* see table 1 or 5 for unpublished water-level measurements. 77 USGS : F w: M : CDE or ] i. : Records a-vaiJLeble : (year-s)^ number Jnuraberi/ :r iMFiber : numbe: 8A-19P1 20 1930-32 19P-1 21 102 1918, 1930-31 20N1 22 1930-32, 153'+-'^7, 1951-58 20Q1 23 1930-32 30H2 2k 101 1919, 1930-32 31D1 19 1930-32, l^^.T-'^S 31KL 15 1930-^2, 19:;'<-56, 1958 31-2 18 1930-32 31-3 17a 1930-';2 ll-k 17 1930-32 32-1 16 1930-32 8/6-lkqx 1953-58 10/6- 5E3 5F1 1953-58 11/6-31R1 1955-58 1. San Bernardino County Flood Control District numbers are shown only where different from U. S. Geological Survey nimbers. 2. California Department of Engineering (1918) data are also shown in WSP 578 by D. G. Thompson (1929). 3. See table 3 for references to published water-level measure- ments; see table 1 or 5 for xinpublished water-level measurements. 78 Table 3'— Records of water levels In w ^lls Table 5 includes all unpublished records for i»e1]..'? having more than five water-level measurements; wells having lane- than five measurements are shown in table 1. Also included in this table are the complete published and unpublishetJ' records for vrells 6/5-ll^ba 7/5-^:^^ 29J2 8/»^-2GNl 3iiEl 31R1 7A-30C1 which have been selected as representative to show the range of water-level fluctuations in different parts of the area. Altitudes given are in feet above mean sea level for the lajid-surface datiim at the well. Land-surface datum is a plaine of reference which approximates land surface. Altitudes given in whole feet are interpolated from topographic maps. Altitudes given in feet and tenths were determined by spirit leveling (from California Department of Engineering or U. S.. Bureau of Reclamation records). Measurements . Most of the water-level measurements were made by the U. S. Geological Survey (GS) mainly in years prior to 195^; by the U. S. Bureau of Reclamation (BR) mainly in 19^6 and 19^7; and by the San Bernardino County Flood Control District (f) mainly in the years since 1953. All measurements of water level have been adjusted to depth below land-surface datum. That is, the altitudes of the measuring points as reported above or below land- surface datum have been subtracted from or added to the water-level measurements. Depth of well . The depth given is the reported depth of the well or the depth measured by the Geological Survey at the time of the field canvass. On some dates the depth to water level given in the table exceeds the reported or measured depth of the well. This probably results from a progressive filling of the well with sand or other material. k 79 6/5-8F1. Llngren. Depth about 90 feet. Altitude about 2,T80 feet. Records available: 19^7-58. Records fumlr.hed.j_ F exce pt as Indicat ed^ Water Water Water Date level Date level Date level Oct. 23, 19*+? 78.6 Nov. 27, 1951 77.3 Dec. 5, 1955 77.^0 May h, 191+8 79.6 May 13, 1952 7;.6 Apr. 3, 1956 a77.^0 Nov. 23 77.6 Nov. 29 82.76 Dec. 17 77.13 May 25, 19^9 78.8 May 22, 1953 79.32 Apr. 29, 1957 78. 8U Jan. 11, 1950 78.0 Nov. 5 79.32 Jan. 17, 1958 a77.58 May 8 77,6 May 10, 195'+ a79.15 Apr. 7 a77.59 Nov. 16 77.6 Nov. 15 78.U2 May- 15, 1951 nM Apr. 11, 1955 77.72 6/5-lUMl (CDE-200). H. K. Hedges. 2,836.7 feet. Records available: I918, F, except as Indicated Depth 163.5 feet. Altitude 19U7-58. Records furnished: Feb. 13, 1918 dl20.0 May 15, 1951 117.65 Apr. 11, 1955 118.30 Oct. 21, 191+7 118.2 Nov. 27 118.7 Dec. 5 117.1 May ^> 19^8 117.9 May 13, 1952 117.7 Apr. 3, 1956 all7.98 Nov. 23 118.2 Nov. 29 117.95 Dec. 17 117.20 May 25, 19i^9 117.7 May 22, 1953 117.37 Apr. 29, 1957 II8.U6 Jan. 11, 1950 118.6 Nov. 5 117.70 Oct. 11 all6.91 May 8 120.7 May 10, 195^ 118.00 Apr. 7, 1958 all6.67 Nov. 16 117.6 Nov. 15 118.27 6/5-15-1 (F-I5RI). George Air Force Base. Altitude 2,81+1.0 feet. Records available: 191+7-5^. Records furnished: I9I+7-5O, BR; I95I-5I+ F. Nov. 29, 1952 115.7 May 22, 1953 115.59 Nov. 5 115. '+9 ? I95U plugged Oct. 21, 19^7 116.0 May 8, 1950 116.9 May h, I9J+8 115.9 Nov. 16 116.2 Nov. 23 115.8 May 15, 1951 116.1+ May 25, I9I+9 116.0 Nov. 26 115.9 Jan. 11; 1950 116.0 May 13, 1952 115.7 6/5-I8GI (F-I8BI). Depth about 70 feet. Records available: 191^7-1^8, 1950, 1952, 1951^. Altitude about 2,805 feet. Records furnished: F Nov. 1+, 19*^7 61+. 2 Jan. 11, 1950 65.5 May 5, I9I+8 66.6 May 8 67.8 Nov. 23 61+^3 May 13, 1952 65.8 Nov. 29, 1952 67.90 ? I95U destroyed 6/5-I8PI. Depth 62 avail able; 19*^7-56, 1958 8 feet. Altitude about 2,8lO feet. Records Records furnished: F, except as Indicated Nov. 3, 19^+7 60.0 May 15, 1951 59.62 Nov. 13, 195I+ 61+. 30 May ^, 191+8 60.0 Nov. 27 59.5 Apr. 11, 1955 63.60 Nov. 23 61.1 May 13, 1952 59.9 Dec. 5 61+. 00 May 25, 19U9 59.6 Nov. 28 59.92 Apr. 5, 1956 62.92 Jan. 11, 1950 60.2 May 22, 1953 60.60 29 59.70 May 8 60.0 Nov. 5 60.1+0 Jan. 16, 1958 a59.8l Nov. 16 60.1+ May 10, 195U 66.70 Apr. 7 a6l.l+3 a. d. Measurement by GeolOf^lcal Survey. Measurement by California Eepartment of Engineering. 80 6/5-19C1. Forest Mays, formerly S. Austin. Depth about 89 feet. Altitude about 2,820 feet. Records available: 19'^7-50, 1952-58. Records furnished: F -: ^-i — ; Water Water Water Date level Date level Date level Nov. 3, 19^1 69.1^ Nov. 28, 1952 6U.35 Apr. 3, 1956 64.26 May h, iskQ 6k.k May 22, 1953 6U.3O Dec. 17 64.88 Nov. 23 64.6 Nov, 5 64.30 Apr. 29, 1957 64.99 May 25, 19i^9 66.U May 10, 1954 65.30 Jan. 16, 1958 a64.75 Jan. 11, 1950 6k. k Nov. 15 64.30 Apr. 7 a64.87 May 8 64.8 Apr. 11, 1955 64.12 May 13 > 1952 6k.k Dec. 5 64.30 6/5-28EI. John Deutschman. Depth about 200 feet. Altitude about 2,875 feet. Records available: 1949-50, 1952, 1958. Records furnished: 1949-50, 1952, F; 1958, reported measurement by ovmer. May 26, 1949 121.8 Jan. 11, 1950 120.3 Nov. 16, 1950 May 13, 1952 115.1 121.33 Nov. 29, 1952 Jan. 15, 1958 94.80 122 6/5-28FI. feet . Records 1947-48, 1950. John Deutschman. Depth available: 1947-48, 1950' BRj 1951-58, F, except as 211.5 feet. Altitude 2,875.6 ■58. Records furnished: indicated. Oct. 23, 1947 May 4, 1948 Nov. 23 Nov. 16, 1950 May 15, 1951 Nov. 27 May 13, 1952 127.3 128.72 126.6 126.1 126.7 124.8 131.6 Nov. 29, 1952 May 22, 1953 Nov. 5 May 10, 1954 Nov. 15 Apr. 11, 1955 Dec. 5 130.35 128.65 126.20 129.60 127.50 126.75 122.40 Apr. 3, 1956 al28.15 Dec. 17 124.65 Apr. 29, 1957 129.29 Jan. 15, 1958 al26.67 Apr. 7 al27.69 6/5-29JI (F-29HI). Adelanto Community Service District. Depth about 190 feet. Altitude about 2,880 feet. Records available: 1953-58. Records furnished: 1953-57, F; 1958, GS. May 22, 1953 113.27 Apr. 11, 1955 110.49 Apr. 29, 1957 112.15 Nov. 5 137.67 Dec. 5 146.27 Apr. 7, 1958 al08.84 May 10, 1954 114.92 Apr. 3, 1956 142.97 Nov. 15 110.60 I^c. 17 109.67 6/5-2rHl (F-29H2). Adelanto Community Service District. Depth about 190 feet. Altitude about 2,880 feet. Records . available : 1944-48, 1951, 1954-56, 1958. Records furnished; F, except as indicated. Mar. 5, 1944 107.4 Jan. 5, 1945 107.8 Mar. 13, 1946 109.5 Nov. 3. 1947 111.4 Nov. 23, 1948 112.3 May 15, 1951 111.20 Nov. 15, 1954 111.73 Apr. 11, 1955 111.62 Apr. 3* 1956 al44.10 Dec. 17 107.25 Jan. 15, 1958 all2.28 Apr. 7 alio. 81 a. Measurement by Geological Survey. 81 6/5-30R1 (F-30J1, CDE-311). A. L. Stone, fomerly Olive Stone. Depth about lUo feet. Altitude about 2,880 feet. Records available: 1917, 19^7-58. Records furnished; 19'^7-50, BR; 1951-57, F; 1958, GS. Water Water Date level Date level Date Nov. May Nov. May May 3, 191+7 h, I9I+8 23 25, 19»+9 8, 1950 Nov. 16 May 15, 1951 107.6 107.6 107.6 107. *+ 107.8 107.8 107.80 May Nov. May Nov. May Nov. 15 Apr. 11 13, 1952 29 22, 1953 5 10, 1951+ 1955 112.6 109.6 108.25 108.25 108.50 108.09 107.97 2, 1955 3, 1956 17 29, 1957 Dec. Apr. Dec. Apr. Jan. 15, 1958 Apr. 7 Water level 108.15 108.75 108.15 108.03 107.93 107.83 6/5-32PI (CDE-I9U). N. L. Notterman, formerly J. Biescar. Depth about 2h3 feet. Altitude about 2,9U5 feet. Records available: 1917, 19*^7, 191+9-51, 1953-55, 1958. Records furnished: 19^+7, 19^+9-51, 1953-55, F; 1917 dll2.0 May 8, 1950 118.0 F2b. 10, I95I+ 121.65 Nov. 3, 19^1 IU2.O Nov. 26, 1951 119.6 Apr. 11, 1955 125.75 May 25, 191+9 117.2 May 22, 1953 120.82 Jan. Ik, 1958 dry Jan. 11, 1950 117.8 Nov. 5 122.30 6/5-32RI (F-32JI). N. L. Notterman, formerly J. W. Tobin. Altitude about 2,9^5 feet. Records available: I9I+8-55, 1957. Records furnished: F. May k, 19I+8 115.9 May 15, 1951 118.37 May 10, 1951+ 120.90 Nov. 23 116.5 Nov. 26 119.1+ Nov. 15 127.70 May 25, 19U9 116.8 May 13, 1952 122.5 Apr. 11, 1955 121.35 Jan. 11, 1950 116.9 Nov. 29 121. U Apr. 29, 1957 122.92 May 8 117.3 May 22, 1953 120.90 Nov. 16 117.1+ Nov. 5 122.20 6/5-33-1 (F-33LI). McCurdy. Altitude about 2,915 feet. Records available: 19U8-57. Records furnished: F. May 1+, 19I+8 126.5 Nov. 26, 1951 130.2 Apr. 11, 1955 131.95 Nov. 23 127.1 May 13, 1952 131.0 Dec. 5 132.00 May 25, 19I+9 127.3 Nov. 28 130.8 Apr. 3, 1956 131.93 Jan. 11, 1950 127.8 May 22, 1953 130.80 Dec. 17 132.1+0 May 8 127.9 Nov. 5 133.10 Apr. 29, 1957 132.1+7 Nov. 16 128.6 May 10, I95I+ 130.80 May 15, 1951 129.33 Nov. 15 131.91+ 6/5-3I+EI (CDE-196). N. L. Notterman, formerly J. M. Scott. Depth 162.5 feet. Altitude about 2,920 feet. Records available: 1917, I9I+8-53. 1957. Records furnished: I9I+8-53, F; I917, 1957, GS. 1917 dl37.0 May 8, 1950 I9I+.O Nov. 28, 1952 179-75 May 5, I9I+8 173.7 Nov. 16 200.0 Apr. 22, 1953 I69.CO Nov. 23 I7I+.6 May 15, 1951 200.71 Nov. 5 I7O.16 May 25. 191+9 167.3 May ik, 1952 175.0 Oct. 10, 1957 I56.II+ d. Measurement by California Department of Engineering. 82 7/U-30C1 (M-T, CDE-2T6). Formerly W. Watkins. Depth 119.9 feet. Altitude 2,56l.5 feet. Records available: 1917, 1930-32, 1935-58. Records from Geological Survey Water-Supply Papers or from F, except as indicated. Date Water level Date Water level Date Water level Sept. Oct. Dec. Feb. Mar. Apr. May July Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. June Dec. Jan. 1917 ^, 1930 k 12 6, 20 2U 21 29 2 1931 1932 2 12 23 27, 23 23 21 1 8 21, 1935 Nov. 12 Mar. 26, 1936 Jan. lU, 1937 June 21 Dec. 8 June 7, 1938 Oct. h May 2k, 1939 Nov. 25 May 8, 19^0 Nov. 26, 19^0 June 12, 19^1 Nov. 13 May 7, 19^+2 Nov. 27 May 13, 19i^3 Dec. 22 Apr. 21, 19^^ May k, 19^+5 Nov. 27 Apr. July Aug. Sept. 25, 29 7 20 29 5 19^6 d5l*.0 57.0 56.92 56.77 56.59 56.70 56.70 56.70 56.29 57.21 57.21 57.02 56.86 56.76 56.80 56.80 57.05 57.08 57.U6 57.65 57.^^5 57.i^0 57.70 57.60 57.00 57.02 56.75 57.11 56.80 57.27 55.93 56.86 56.65 56.92 56.77 56.9^ 56. 7U 56.76 57. OU 56.88 b57.1 b57.2 b57.iv b57.3 b57.3 16, 23 30 6 15 21 28 6 18 25 2 17 1, 21 1^ 19 k 18 8 30 13 20 26 June 9 2»^ July 8 22 Aug. 7 Sept. h Oct. 1*4- Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May 19^+6 Nov. Dec. Jan. Feb. Mar. Apr. May June July 13 Aug. 10 Sept. lU Oct. 13 Nov. 18 Dec. 9 19^+7 12 18 29 11 7, 16 11 15 Ik Ik 19i^8 83 b57.3 b57.3 b57.3 b57.3 b57.2 b57.3 b57.2 b57.2 b57.1 b57.1 b57.1 b57.0 b56.9 57.0 56.9 56.9 56.9 57.0 57.1 57.1 57.1 57.2 57.1 57.1 57.3 51.k 57.5 57.7 57.3 57.2 57.6 57.55 57.0 56.9 57.3 57.3 51.k 57.91 57.91 58.i^ 59.0 58.8 58.5 60.3 57.92 57.7 Jan. 17, Feb. 17 Mar. 16 Apr. Ik May 9 June 16 July Ik Aug. 18 Sept. 15 Oct. 19 Nov. 15 Dec. 1^ Jan. 2k, 1950 Feb . 15 Mar. 15 Apr. 19 May k June 15 July 12 Aug. 15 Sept. Ik Oct. 17 Nov. 2 Dec. 13 Jan. 16, 1951 Feb. Ik Mar. 20 Apr. 18 May k June ik July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. 18 15 13 16 27 13 22, Ik 13 10 29 12 16 21 18 16 1952 57.6 51'k 57.2 58.2 58.17 58.1+ 59.7 58.5 58.3 58.2 58.72 57.8 57.5 57.6 57.5 58.1+ 57.75 58.9 58.8 58.9 59.3 58.5 58.40 58.0 58.2 56.7 57.6 58.06 57.87 59.05 59.20 58.97 59.77 58.82 58.62 58.87 57.96 57.86 57.89 58.66 59.^^9 62.29 59.76 59.80 59.57 59.1+0 Ccntinuea 7A-30C1. --Continued Date Water level Date V/ater level Date Water level Nov. 25, 1952 53.69 -^iay 13, 195*+ 58.50 Feb. 6, 1957 58.92 Dec. 16 61.12 Nov. 16 59.30 i'.ar. 6 58.83 Jan. 16, 1953 60. 2U Apr. 15, 1955 58.98 Apr. 3 60.00 Feb. IT 60.81 Sept. 15 59.28 10 58.92 Mar. 17 53.13 Dec. 9 58.89 May 1 60.17 Apr. Ik 58.26 Mar. 29, 1956 58.68 June 3 59.86 May 26 58.90 Nov. 5 66.10 Mar. 25, 1958 a58.95 Nov. 12 60.10 Dec. 5 59.1^2 Apr. 10 a58.92 Mar. 29, 195^ 58.10 Jan. 2, 1957 59.21 7/5-22NI (M-7c). Depth 88.2 feet. Altitude about 2,715 feet. Records available: 1950-56, 1958. Records furnished: 1950, 1953-55, BR; 1956, F; 1958, GS. Oct. 27, 1950 dry Nov. 5, 1953 89.70 May 10, 195*+ 100. U5 Nov. 15, 195^ 98.00 Apr. 11, 1955 98.25 Dec. 5 9*+. 70 Apr. 3, 1956 dry Feb. 26, 1958 dry 7/5-22N2 (M-7ca, available: 1956-58. alternate). Altitude about Records furnished: 1956-57, 2,715 feet. Records F; 1958, GS Apr. 3, 1956 103.20 Dec. 17 100.15 Apr. 29, 1957 99.39 Feb. 26, 1958 96.92 Apr. 7, 1958 95.98 7/5-22R1 (M-7b). Depth 127.5 feet. Altitude 2,710.U feet. Records available: 1950, 1953-58. Records furnished: I950, BR; 1953-58, F, except as indicated. Oct. 27, 1950 105.5 Apr. 11, 1955 109.15 Apr. 29, 1957 IO8.U6 Feb. 26, 1958 dry^ Nov. 15, 1953 105.15 Dec. 5 107.70 May 10, 195^^ 106.70 Apr. 3, 1956 al05.U0 Apr. 7 al06.76 Nov. 15 105.60 Dec. 17 105.3 7/5-26BI (M-7a, CDE-279). Formerly A. Edwards. Altitude 2,737.0 feet. Records available: I918, 1950, 1953-58. Records furnished: I918, GS; 1950, BR; 1953-58, F, except as indicated. Feb. 18, 1918 dl71.0 Oct. 27, 1950 168.6 Nov. 5, 1953 169.0 May 10, 195^^ 173.2 Nov. 15, 195^ 170.50 Apr. 11, 1955 168.80 Dec. 5 171.0 Apr . 3 ^ 1956 al68.e O Dec. 17, 1956 169.57 Apr. 29, 1957 169.19 Feb. 28, 1958 al69.02 Apr. 7, 1958 al68.67 a. Measurement by Geological Survey. b. Measurement by U. S. Bureau of Reclamation. d. Meesurement by California Department of Engineering. 84 8A-20N1 (M-22). R. Fotia, formerly Lord. Depth" about 50 feet. Altitude about 2,UlO feet. Records available: 1930-32, 193^-'+T, 1951-58. Records from Geological Survey water-supply papers or from F^ except as indicated. Water Water Water Date level Date level Date level Dec. 13, 1930 12.0 Oct. h, 1938 CI3.58 Apr. 30, 19^6 12.97 Mar. 26, 1931 ll.i+9 May 2k, 1939 12. UO Jan. 8, 19^7 13.5 Oct. 2 12. U5 Nov. 2k 13.71^ Nov. 27, 1951 18.60 Nov. 5 12.25 May 2k, 191^0 12.82 Nov. 25, 1952 18.71^ Jan. 13, 1932 11.52 Nov. 26 1U.8I May 26, 1953 18.93 Mar. 8 11.01 June 12, 19^+1 12.95 Nov. 12 21.60 May 26 11.06 Nov. 25 13.87 May 13, 195^ 21.70 Jan. 10, 193^ 11.1+7 May 7, 19^2 11.85 Nov. 17 20.30 Jan. 21, 1935 11.14-9 Nov. 27 II+.I3 Apr. 13, 1955 23.50 Nov. 12 12.1+8 May 1^. 19i^3 12.62 Dec. 9 27.21+ Mar. 26, 1936 11.80 Dec. 13 13.81+ Mar. 29, 1956 26.96 Jan. 15, 1937 12. Ut Apr. 21, 19^+^ 12.61 Dec. 20 26.96 Dec. 8 13.15 Dec. 13 13.97 May 1, 1957 27.20 June 2, 1938 12.30 May \ 19U5 13.11 Mar. 25, 1958 a2l+.l+3 8/l+-3inL (M-19). Frank Delfino, formerly Smith, formerly F. H. Merrell. Depth about 89 feet. Altitude 2,U6l».6 feet. Records available: 1930-32, 1939-58. Records from U. S. Geological Survey vmter-supply papers or from F, except as indicated. Sept. 10, 1930 1^3.97 Apr. 25, 19^6 k3'39 Mar. 18, 19^7 bl+3.7 Dec. 13 I+I+.03 July 29 bl+3.8 Apr. 8 bl+3.6 Mar. 19, 1931 ^3.50 Aug. 7 bl+3.7 30 bl+3.7 May 20 k3,79 21 bl+3.9 May 13 bl+3.6 Aug. 5 1+3.88 29 bl+l+.O 20 bl+3.6 Nov. 5 1+3.90 Sept. 5 bl+l+.O 26 bl+3.6 Jan. 7, 1932 i^3.65 16 bl+i+.3 June 9 bl+3.6 Mar. k 1+3.32 23 bUl+.2 21+ bi+3.6 May 26 1+3.10 30 bl+l+.l July 8 bl+3.7 July 6 ^3.35 Oct. 6 bl+l+.2 22 bl+3.8 Dec. 8 1+3.6I+ Oct. 15 bl+l+.3 Aug. 7 bl+3.8 Nov. 25, 1939 i+i+.oo 21 bM+.8 Sept. 1+ i+3.9 May 2l+, 19I+O 1+3.^0 28 bl+l+.2 Oct. 1I+ l+l+.l June 12, 191^1 1+3.1+0 Nov. 6 bl+l+.3 Nov. 12 I+I+.3 Nov. 25 1+6.914 18 bl+l+.3 Dec. 11 1+1+.2 May 7, 19^2 i^3.15 25 bl+5.0 Feb. 16, I9I+8 i+3.9 Nov. 27 i+l+.ii Dec. 2 bl+l+.2 Mar. 11 1^3.9 May lU, 19I+3 i^3.38 17 bl+l+.2 Apr. 15 k3.1 Dec. 31 1+1+.07 Jan. 1, I9I47 bl+l+.2 May 1I+ 1+6.30 Apr. 21, 19^^^ ^3.56 21 bl+l+.O June II+ 1+7.8 Dec. 13 1+1+.17 Feb. 1+ bl+3.8 July 13 1+5.8 May k, 19I+5 1^3.57 19 bl+l+.l Aug. 10 I4I.5 Nov. 27 1+1+.21 Mar. 1+ bl+3.8 Sept.ll+ 39.3 Continued 85 8/1 +-31D1 .--Continued Water Water Water Date level Date level Date level Oct. 13, 191+8 39.1+ Nov. 7, 1950 U8.6 July 16, 1952 C59.53 Nov. 18 1+2.19 Dec. 13 1+7.1 Aug. 21 50.7 Dec. 9 1+3.0 Jan. 16, 1951 1+6.7 Sept. 18 U6.1+6 Feb. IT, 19I+9 1+3.9 Feb. II+ 1+6.3 Oct. 16 1+8.79 Mar. l6 l+l+.O Mar. 20 1+6.0 Nov. 25 1+8.91+ Apr. lU U6.3 Apr. 18 1+5.1+9 Dec. 16 51.5 May 9 UI+.29 May 16 1+6.27 Jan. 16, 1953 1+9.10 Sept. 15 1+6.3 June Ik 1+5.09 Feb. 18 52.83 Oct. 19 51.6 July 18 1+6.87 Mar. 12 56. 81+ Nov. 15 U8.76 Aug. 15 1+6.53 17 55.51+ Dec. lU 1+7.1+ Sept. 13 1+6.1+2 Nov. 12 57.30 Jan. 2k, 1950 1+7.0 Oct. 16 1+6.32 May 13, I95I+ 60.60 Feb. 15 1+6.6 Nov. 27 1+6.22 Nov. 17 58.30 Mar. 15 1+6.6 Dec. 13 1+6.11 Apr. 13, 1955 56.1+1+ Apr. 19 1+6.8 Jan. 22, 1952 1+5.77 Dec. 9 55.20 June 15 1+7.3 Feb. 1I+ 1+5. 51+ Mar. 29, 1956 51+. 31+ July 12 1+9.2 Mar. 13 I+I+.38 Dec. 20 58.26 Aug. 15 U8.5 Apr. 10 1+5. 81+ May 1, 1957 58.87 Sept.lU 1+6.8 May 29 1+7. 71+ June 5, 1958 a56.96 Oct. 17 1+7.5 June 12 1+7.27 8/I+-3IKL (M-I5). Fred Orebaugh, formerly Bleedsaw, formerly Carl McNew. Depth about 60 feet. Altitude about 2,1+50 feet. Records available! 1930-32, I93I+-56, 1958. Records from U. S. Geological Survey water-supply papers or from F, except as indicated. Sept. 5, 1930 16.87 Oct. »+, 1938 16.01 Sept . 5, 19I+6 16.6 Dec. 13 15.00 May 2l+, 1939 15.28 16 16.6 Mar. 20, 1931 II+.I+8 Nov. 25 15.71 23 16.7 May 20 11+.82 May 21+, 19I+O 15.92 30 16.7 Aug. 1+ 15.87 Nov. 26 16.35 Oct. 6 16.6 Oct. 2 15.97 June 12, I9I+I 15.37 15 16.6 Nov. 5 15.1+2 Nov. 13 15.1+8 21 16.1+ Jan. 7, 1932 II+.76 May 7, I9I+2 II+.63 28 16.3 Feb. 23 ll+.l+O Nov. 27 15.52 Nov. 6 16.1 Mar. 23 11+.37 May 13, 191+3 1I+.8I 18 15.8 June 23 11+.97 Dec. 22 15.18 Nov. 25 15.7 Sept. 7 16.07 Apr. 21, I9I+I+ 1U.63 Dec. 2 15.7 Jan. 10, I93I+ 15.05 Dec. 13 15.29 17 15.5 Jan. 21, 1935 15.05 May »+, I9I+5 15.03 Jan. 1, 191+7 15.3 Nov. 12 16.21+ Nov. 27 15.57 21 15.2 Mar. 26, 1936 15.02 Apr. 25, 19I+6 Il+.IO Feb. 1+ 15.1 Jan. II+, 1937 15.1+1 July 29 16.1 19 15.1 June 21 15.1+2 Aug. 7 16.3 Mar. 5 15.0 Dec. 8 15.88 20 16.6 18 15.0 June 7, 1938 15.20 29 16.5 Apr. 8 15.0 Continued 86 8/U-31R1. --Continued Water Water Water Date level Date level Date level Apr. 30, ISk-J 15.1 Jan. 17, 19^9 15.9 Nov. 27, 1951 17.30 May 13 15.2 Feb. 17 16.5 Dec. 13 17.89 20 15.'^ Apr. lU 15. i+ Jan. 22, 1952 16.61 26 15.if June 16 17.2 Feb. Ik 16,59 June 9 15.5 July Ik 18.0 Mar. 13 16.35 2k 15.7 Aug. 18 18.6 May 29 17.86 July 8 16.0 Sept. 15 19.0 June 12 17.15 22 16.2 Oct. 19 19.0 July 16 17.99 Aug. 7 16. i+ Dec. Ik 17.7 Aug. 21 18.95 Sept. k 16. 7 Jan. 2k, 1950 17.0 Sept. 18 19.1+5 Oct. Ik 16.7 Feb. 15 16.8 Oct. 16 19.65 Nov, 12 16.U Mar. 15 16.6 Nov. 25 18.12 Dec. 11 15.7 Apr. 19 17.9 Dec. 16 20.16 Jan. 7, 19i^8 15.5 May k 16.07 Jan. 16, 1953 17.29 Feb. 16 15.5 July 12 17.85 Feb. 17 18.03 Mar. 11 15.1 Sept.lU I8.U5 May 26 18. 5^+ Apr. 15 15. *+ Oct. 17 18.85 Nov. 12 21.07 May lU 15.1+8 Nov. 7 17.95 May 13, 195^+ 18.82 June Ill- 16.5 Dec. 13 17.80 Kov. 17 22.32 July 13 16.7 Jan. 16, 1951 16.95 Dec. 9, 1955 22.9^ Aug. 10 17.3 Feb. Ik 16.65 Apr. 12, 1956 19.27 Sept.ll<- 17.8 Apr. 18 l6.ki Dec. 20 10. 1*+ Oct. 13 17.9 May k 15.6k Mar. 25, 1958 al9.97 Nov. 18 16.69 July 18 18.08 Dec. 9 16. U Oct. 16 18.72 8/6-IUQI. Elizabeth Astley. Depth about 310 feet. Altitude 2,760.1+ feet. Records available; 1953-58. Records furnished: F, except as indicated. May 1, 1953 al91.17 Apr. 11, 1955 182.62 Apr. 29, 1957 219.90 Nov. 5 169 Dec. 5 196. U2 Apr. 7, 1958 al93.68 dryS/ May 10, 195^ 208.27 Apr. 3, 1956 al95.72 Aug. 26 Nov. 15 206.82 Dec. 17 173.92 10/6-5E3 (F-5FI). Darr and Callller. Depth about kkO feet. Altitude about 2,470 feet. Records available: 1953-58. Records furnished: F Nov. 12, 1953 21U.50 May 13, 195^+ 221.30 Nov. 17 213.50 Apr. ll+, 1955 198.30 Dec. 12 203.70 Mar. 29, 1956 197.^0 Dec. 20, 1956 195.55 May 2, 1957 21+9.66 Mar. 25, 1958 20I+.2O 87 11/6-31R1. Wilk. 58. Records furnished: Altitude about 2,^55 feet. GS. Records available: 1951 Water Eate level Water Date level Water Dp.-*-,e lev3l Sept. 30, 1955 186.66 Mar. 23, 1956 I8U.57 Oct. 30 lei.ll Mar. 5, 1957 180.88 Nov. 6 c200+ Mar. 10, 1958 180.16 Aug. 25, 1958 196.78 a. Measurement by Geological Survey. b. Measurement by U. S. Bureau of Reclaroation. c. Pumping. d. Measurement by California Department of Engineering. e. Obstruction at 230 feet. 88 Table 6.— Drillers' logs of veils Note: The term kaolin (also spelled koalin, kaoline, kalein, kalene, etc.) is used by some drillers in the Middle Mojave Valley area to describe a hard white calcareous clay commonly containing small solution channels that cause the material to be moderately water bearing. 6A-6C1. Joe Villareal. Altitude about 2,630 feet. Drilled by David Engel in 195?. 8-inch casing, perforated from 100 to 11^3 feet. Thickness Depth Material (feet) (feet) Sand 38 38 Clay 3 *H Boulders - 8 ^9 "Hardpan" 6 55 Boulders — 12 6? Sand 8 75 Sandy clay 15 90 Clay 13 103 Fine sand 3 106 Gravel clay 9 115 Sand 10 125 Clay 2 127 Sand streaked with clay l6 1^3 Clay 2 li^5 6/1+-6D6. J. P. Blankenship. Altitude about 2,600 feet. Drilled by David Engel in 1955. 8- inch casing, perforated from 9^ to 127 feet. Sand - k k "Hardpan" 6 10 Sand - 15 25 "Hardpan" 6 31 Boulders 13 Uh Clay gravel 26 70 Clay, sand 8 78 Sand (water) lU 92 Clay 11 103 Sand (water) 2i<. 127 Clay 2 129 6/U-6D10. Wayne I*arry. Altitude about 2,580 feet. Drilled by McDougall Well Drilling Co. in 19*^7. 8-inch casing to 100 feet, perforated from 70 to 100 feet. Coarse dry sand — l8 l8 Boulders and clay 9 27 Water-bearing sand k 31 Sandy clay 13 ^^ Fine water-bearing sand U ^8 Clay 27 75 Fine sand 17 92 Clay 3 95 Sand - 20 115 89 6A-6EU. H. H. White. Altitude about 2,620 feet. Drilled by C. C. Lackyard in 19^7. 6- inch casing, perforated from 233 to 26^ ^^^''■"i- Thickness Depth Material (feet) (feet) Loose rocks and gravel (same as surface) 30 30 Cemented conglomerate with large boulders 1^ ^ Brown sand-clay 19 ^3 Rocks and sand (hard) 3 66 Sandy clay 11 77 Cemented conglomerate (hard) 9 8o Sandy clay and some rocks 32 Ho Brown clay 3^ 156 Clay with 6- inch beds of rock 9 1^5 Hard brown sand 15 l80 Hard sandy clay with 6- inch streaks of rock as much as U feet apart l8 198 "Gumbo" (brmm and white clay) 27 225 Water gravel 21 2^+6 Blue clay 19 265 6/1+-6E6. R. D. Workman. Altitude about 2,580 feet. Drilled by C. C. Lackyard in I9U7. 6-inch casing zero to lOU feet, perforated from 60 to 100 feet. Same as surface 10 10 Cemented conglomerate 31 '♦•1 Clay 11 52 Water in sandy clay 3 55 Clay - 5 60 Water gravel 5 65 Clay with hard sand and 1- to 12- inch boxilders 5 70 Water gravel 10 80 Clay 6 86 Water gravel 10 96 Fine sandy clay 8 10i<- 6/U-18F2. J. G. Ivy. Altitude about 2,6lO feet. Drilled by Baldy Mesa Well Drillers in 1950. 6-inch casing, perforated from 96 to 120 feet. Surface sand and black loam 22 22 Surface water 7 29 Boulder --- - 3 32 Cemented bro^i_; 20 kO Water sand -« ^.-^i>.^^^.. — 20 60 Water sand and boulders *_-^»^wi 21 8I Bro\7nish clay I9 loo 95 6A-30K2. George Air Force Base, well k. Altitude about 2,650 feet. Drilled by Roscoe Moss Co. In I9U3. l6-lnch casing, zero to 91 feet, perforated from 30 to 78 feet. . Thickness Depth Material (feet) (feet) Sandy silt - 1*+ ^^ Fine gray sand ^ 18 Coarse brown saind 17 35 Fine dark sand 2 37 Fine dark sand and gravel to 3 inches 8 U5 Gray sand, some gravel 15 60 Fine gray muddy sand 6 66 Brown sand, gravel, and boulders 12 7° Brown sandy clay 20 98 6/U-30P2. Adelanto Community Service District. Altitude about 2,650 feet. 16-inch casing. _^ Soil 15 15 Sand 8 23 Gravel 10 33 Sand - 10 ^3 6/U-30-2.. Victorville Military Airport, well 2. Altitude about 2,6^5 feet. Drilled by Roscoe Moss Co. in 19'*-2. 26-lnch casing, not perforated. Casing pulled. Gray clay 5 5 Gray and brown silt 9 l**- Fine to coarse gray sand 9 23 Sand to 3-inch gravel (rounded) 9 32 Bro\m clay 10 k2 Fine to coarse sand 1 ^3 Brown sandy clay ^ '+7 Brown clay 53 100 6A-32G1. Donald Doran. Altitude about 2,750 feet. Drilled by H. H. Le y in 19 5 5. 10-inch casing, perforated from kh to 6't- feet. Soil - 6 6 Coeirse sand ^ 10 Tough yellow clay 1*+ 2U Coarse sand 2 26 Sandy yellow clay - - 19 ^+5 Decomposed granite (loose) 20 65 Bedrock 3 68 6/1+-32G2. Donald Doran. Altitude about 2,760 feet. Drilled by H. H. Ley in 1956. 10-inch casin;^, perforated from 61 to 8I feet. Soil and clay - 65 65 Decomposed granite I6 8I Granite (open hole) - 2k J^ 96 6/U-32N1. Riverside Cement Co., well 52-5. Altitude about 2,765 feet. Drilled by H. H. Ley in 1952. 10-inch casing, perforated from lU4 to nh feet. ~~ Thickness Depth Material ^ (feet) (feet) Soil - 3 3 Sandy clay 35 38 Clean sand, medium coarse (water) 1 39 Sandy yellow clay (tough) 19 58 Coarse clean sand (water) 1 59 Coarse sand and clay ribs (water) 5 6U Tough yellow clay 2 66 Coarse sand and clay ribs (water) 9 75 Tough yellow clay 5 80 Coarse bright sand (water) 2 82 Yellow sandy clay 3 85 Tough yellow clay 2 87 Loose clean sand 1 88 Hard cemented sand 1 89 Tough yellow clay 8 97 Green clay 3 100 Yellow clay - 37 I37 Coarse sand, 10 percent ^-inch gravel (water) 2 139 Tough yellow clay — U3 l82 Coarse gray decomposed granite, hard and difficult to drill 11 I93 _Solid rock, granite 6A-33P2. Southwest Portland Cement Co., well 7. Altitude 2, 685.lv feet. Drilled by Baldy Mesa Well Drillers in 1950. 12- inch casing, perforated from I8 to 36 feet, 5k- to IO8 feet, and 126 to Ityty feet. Silt and brovm sandy clay I5 15 Brown medium gravel (surface water) I8 33 Hard cemented brown ssmd, niggerhead boulders -t 7 UO Cemented brown sand ±Q 58 Loose conglomerate brittle brown sandy clay (water) I3 71 Brown sandy clay 12 83 Brittle conglomerate (vrater) — . I9 102 Cemented sand (narrow steady water) I5 117 Hard cemented sand and niggerhead — ■ 26 ll<-3 Brittle conglomerate (water) 8 I5I 97 6A-33R1. C. L. Abbey. Altitude about 2,700 feet. Drilled by McDougall 'Veil Drilling Co. in 1950. lU-inch casing to 103 feet, 12-inch casing 103 to 262 feet, perforated: I56 to 16O, 176 to I88, 212 to 215, and 232 to 252 feet. w . . , Itiickness Depth Material . ^v ,/ ^x (feet) (feet) Sandy loam h ^ Rocky sandy clay 12 I6 Brown sandy clay 7 23 Fine light gray sand -- - - - 2 25 Water sand, coarse light-gray gravel i+S 68 Good coarse water sand and small gravel with some thin layers of sandy clay 31 99 Sand (too fine to perforate) U IO3 Fine sand 3 106 Coarse sand and small gravel lU 120 Coarse sand, large gravel and boulders lU 13^ Soft sandy light-brown clay 22 I56 Large gravel and boulders U 160 Brown sandy clay I6 I76 Coarse sand, small gravel 12 I88 Bro\TO sandy clay "Sh 212 Coarse sand, small rocks 3 215 Sandy clay - 17 232 Coarse sand, small gravel 20 252 Brown sandy clay 10 262 6/5-^Nl. Walter Bros, turkey ranch. Altitude about 2,765 feet. Drilled by David Engel in 1956. 8- inch casing, perforated from 71 to 101 feet. Sand - 1 1 "Claeche" h 5 Sand 10 15 Clay 5 20 Sand - - 10 30 Sand and clay 12 '+2 Clay and sand 15 57 Hard sand -— - 15 72 Hard sand and clay I6 88 Sandstone • 3 91 Sand (water) -- 8 99 Clay 5 loU 98 6/5-6P2. Elmer Conder. Altitude about 2,760 feet. Drilled by David Engel in 1936. 8- inch casing, perforated from k^ to 8o feet. „ _, ^ , Thickness Depth ^^^^^^ (feet) (feet) Sand - 1 1 "Claechi" 3 ^ Clay-sand - - - 11 15 Sand ■ 5 20 Sand-clay - 25 ^5 Hard sand - - 9 5^ Sand (water) 5 59 Clay 6 65 Gravel-sand — - 7 72 Clay 8 So 6/5-8D1. Burton and Blake. Altitude about 2,770 feet. Drilled by L. F. McFadden in 1951. 8-inch casing, perforated from 6l to 9^ feet. Top formation 8 8 Sand and clay U2 50 Hard clay and sand 13 63 Clay and sand 13 76 Sand 17 93 Clay 3 96 6/5-9HL. L. L. Shelton. Altitude about 2,780 feet. Drilled by David Engel in 1955. 8-inch casing, perforated from 97 to 133 feet. Sand 1 1 "Claecha" 3 ^ Clay-sand I6 20 Sand 8 28 Sand-clay 6k 92 Hard sand 5 97 Sand 13 110 Clay h Ilk Sand 7 121 Clay 12 133 6/5-28-2 (CDE-202). E. H. Richardson. Altitude 2,879.5 feet. 12-inch casing. Soil, sand, and clay - llU 11»^ Water sand r- ^ I60 Clay - 63 223 Sandy clay 12 235 Cemented clay - h^ 280 Sandy clay 23 303 Cemented clay 15 3l8 Cemented sand - 22 3^0 Cemented clay - 22 362 Cont inued 99 6/5-28-2. --Continued Material Thickness Depth ^^^""^^ (feet) (feet) Sandy clay 10 372 Cemented sand 15 38? Cemented clay 1+9 ^+36 Water sand 62 ^9^ Clay 11 509 Water sand 6 515 Clay 22 537 Water sand l8 555 Cemented clay 28 583 Water str.i 6 589 Clay - - 6 595 7A-6L4. M. K. Lewis. Altitude about 2,U55 feet. Drilled by Ephraim Harrir -- in 1?31. l6-inch csinf^, perforated from 51 to ?-07 feet. Surface soil - - - — 8 8 Sand k 12 Dirty sr.nd - - 15 2? Clean coarse sand and heavy gravel. Bottom of Mojave River fill 11 38 Bright gray sandy clay 22 60 Sand and gravel 3 "3 Buff clay 2 65 Fine sand and gravel 13 78 Buff clay - 2 80 Coarse sand and gravel 7 87 Buff clay h 91 Sand and gravel 8 99 Buff clay 3 102 Sand and gravel with clay bottom 5 107 7A-6RI. J. Leckwark. Altitude about 2,U85 feet. Drilled by McDougall Well Drilling Co. in I9U7. 12-inch casing, perforated U3 to 63 feet. V/ashed gravel, clay 12 12 Brown sand, clay 30 ^2 Fine sand, water-bearing h U6 Coarse sand and small gravel 19 65 7/U-6R5. J. C. Tobin. Altitude about 2,1^70 feet. Drilled by J. M. Scoggin Drilling Co. in 195^* 8-inch casing, perforated from 18 to 36 feet. Topsoll - - 5 5 Boulders 13 I8 Gravel and large boulders I8 36 100 7A-18D2. F. J. Harris. Altitude about 2,^75 feet. Drilled by McDougall Well Drilling Co. in 19^7. 12- inch casing, perforated 123 to 217 feet. - Zn ^■, " Thickness Depth ^^^^^^ (feet) (feet). Sandy soil —-—-_- .--— 9 9 Fine sand 8 ^1 Sand and gravel --— 8 25 Decomposed granite — — — 2 27 Large gravel and sand '- — 12 39 Light sandy clay H 50 Fine sand 11 ol Light sandy clay •» — -— — 33 9*+ Fine sand, small gravel 17 HI Coarse sand, gravel ° 119 Fine sand, small gravel — 5 12^ Sandy clay — 12 13° Coarse sand 10 ^^ Sandy clay 7 153 Coarse sand, some small gravel o2 215 Clay 2 217 7A-18G1. W. E. Cole. Altitude about 2,520 feet. Drilled by J. S. Gobar in 1950. 10-inch casing, perforated from 75 to 85 feet and 90 to 95 feet. Topsoil - 8 8 Decomposed granite 30 3° Decomposed granite, well cemented >- 12 50 Cemented rock 8 5° Dirty gravel and rock • ■ 17 75 Good gravel 10 85 Brown clay 5 90 Gravel 10 100 7/'+-19Ql. J. B. Hammond. Altitude about 2,600 feet. Drilled by Jess Newman in 1950. 6- inch casing, perforated from 128 to I36 feet. "Mountain- float rock" r — - 1^8 ^8 Gravel — 22 70 Sand -—- 11 81 "Mountain" clay 11 92 Mixed clay and gravel 8 100 Gravel with some sand 36 I36 7/U-19Q2. M. L. Kinney. Altitude about 2,590 feet. Drilled by Jess Newman in 1951. 6-inch casing, perforated from lOU to 112 feet. "Moiintain-float" rock 60 60 Loose boulder formation 20 80 "Mountain" clay - 10 90 Water gravel and coarse sand 22 112 101 7A-31E1. A. C. Frisbee. Altitude about 2,560 feet. Drilled by Everett Reed in 1956. 8- Inch casing. Material Thickness Depth ^^^""^^^ (feet) (feet) Soil with a little gravel and a few 12- inch rocks h^ ^5 Loose 10-inch gravel 12 57 Gravel (up to 6 inches with clay cement) 2k SL Loose water gravel 3 8^ Brown clay 6 90 7A-31P1. William Kawson. Altitude about 2,6l5 feet. Drilled by J. S. Gobar in 1951. 6- inch casing, perforated from 97 to 127 feet. Gravel (dry) 38 38 Rocks — - - 2U 62 Decomposed granite and clay-rock reefs 11 73 Dry sand - - - 9 82 Decomposed granite and clay-rock reefs 10 92 Sandy rock reefs 3^ 126 Gravel (water) 5 131 7/5-2l;Pl. H. H. Hill. Altitude about 2,505 feet. Drilled by H. H. Ley in 1951. lU-inch casing, perforated from 21 to 111 feet. Soil and black silt 23 23 Coarse sand gravel and rock 17 ^ Green clay 1 kl Coarse sand and gravel, some clay, condition firm 3 ^ Gray sand, small amount of gravel, and some clay 2 k6 Yellow clay 1 h^ Gray sand, fine to coarse (50 percent of each) 5 52 Coarse sand, gravel, 2-inch rock; condition loose 9 6l Coarse sand, gravel, 2- inch rock, some clay k 65 Coarse sand and gravel, condition good 7 72 Yellow clay 1 73 Coarse sand and gravel, some 2-inch rock 15 88 Coarse sand and gravel, rock to k inches, several thin clay ribs, condition clean and free l6 lOU As above, no large rock 3 107 Coarse gray sand and gravel, loose 6 113 Open hole, sand eund gravel, 25 percent clay 8 121 102 7/5-25A1. L. L. Weiss. Altitude about 2,515 feet. Drilled by J. 3. Gobar. Perforated from lt4-0 to l80 feet. Thickness Depth Ma^^g^^^ (feet) (feet) Quicksand _-— -— 38 3o "Cement" 2 UO Clay h Uk Dirty ground ■- 13 57 Clay 10 67 Sandy clay 27 9^ Decomposed granite, dirty 31 125 Clay, sandy 27 152 Soft clay 2k I76 "Kaolin" 9 185 Clay 10 195 7/5-25A'+. L. L. Weiss. Altitude about 2,510 feet. Drilled by J. S. Gobar in 1951. 8-inch casing, perforated U2 to 80 feet. Topsoil - — 6 6 "Rusty" sand 2 8 Black muck h 12 Brown clay 28 kO Gravel, small 16 56 Clay 2 58 Gravel 10 68 Clay 2 70 Gravel 8 78 Clay and gravel 11 89 7/5-2502. L. L. Weiss. Altitude about 2,510 feet. Drilled by J. S. Gobar in 1952. lU-inch casing, perforated zero to 65 feet. Top sand 2 2 Sand and silt - -— 2 k Sand - - 10 lU Blue and brown clay U I8 Coarse sand 6 2k Sandy clay 12 36 Coarse sand 6 k2 Brown clay 10 52 Sand and gravel I8 70 Brown clay 2 72 7/5-2503. L. L. Weiss, Altitude about 2,510 feet. Drilled by J. S. Gobar in 1951» 12-inch casing. Black topsoil - k k Good gravel 8 12 Sandy clay - - - I8 30 103 7/5-25GJ+. L. L. Weiss. Altitude about 2,515 feet. Drilled by J. S. Gobar in 1950. lU-inch casing. Thicloiess Depth ^^^^^^ (feet) (feet) Topsoil - - 7 7 River sand 11 l8 Gravel (good) 12 30 Boulders 17 ^7 Clay --- 10 57 "Dead" sand 1 58 7/5-25G6. L. L. Weiss. Altitude about 2,515 feet. Drilled by J. S. Gobar in 1951 « lt<-inch casing, perforated from 30 to hk feet. Topsoil - 2 2 Sand 1 3 Black soil 5 8 "Quick" silt h 12 Gravel I6 28 "Quick" silt 2 30 Gravel (cut) 12 h2 Silt 6 U8 7/5-25HI. R. M. Hillwig. Altitude about 2,520 feet. Drilled by J. S. Gobar in 1951. lU-inch casing, perforated from 2U to ^0, U8 to 70, and 82 to 92 feet. Topsoil - - 2 2 Sand - 1 3 Black silt 7 10 Decomposed granite and rocks U- ik Decomposed granite, clay 10 2U Gravel I6 kO Brovm clay 8 U8 Gravel - 2k 72 Clay - 10 82 Gravel - 10 92 Clay - k 96 7/5-25KU. A. Gysber. Altitude about 2,525 feet. Drilled by J. S. Gobar in I928. 12- inch casing. Sandy soil 8 8 Coarse sand 8 16 "Quicksand" - 2 I8 Sand 12 30 Gravel, boulders 13 ^3 Sandy clay 5 ^+8 Good gravel 25 73 Sandy clay 2 75 104 7/5-25K5. A. Gysber. Altitude about 2,525 feet. Drilled by J. S. Gobar in 1951. 12-inch casing, perforated frorn 33 to 55 feet. Thickness Depth Material ^ (feet) (feet) 2 2 Topsoll Sand - - 1 3 Black soil Sand Black sandy clay — - Gravel, very good Black sandy clay Gravel 5 ® 20 28 2 30 18 h8 1 h9 11 60 8A-20K2. F. F. Abken. Altitude about 2,*^05 feet, l^^-inch casing, perforated from 12 to ^^9 feet. No log available (old dug hole) 27 2? Good gray gravel 9 3° "Decomposed granite" with clay 5 •'•1 Gravel, good 8 4-9 Sandy clay 2 51 Gravel 5 5o 8A-30A2. Judge Volks, formerly G. E. Watkins. Altitude about 2,14-15 feet. Drilled by Scoggin Drilling and Development Co. in 1951. 20-inch casing, perforated from zero to 90 feet. __________ Topsoil 10 10 Fine sand and streaks of gravel 15 25 Water gravel and boulders 65 90 8/I+-3OFI. C. Snith, formerly G. E. Watkins. Altitude about 2,1+U5 feet. Drilled by Scoggin Drilling and Development Co. in 1951- 1^4- inch casing, perforated from 90 to 36k feet. Sandy soil 12 12 Gravel and boulders --r 73 85 Blue shale — 5 90 Gravel and boulders 27 117 Blue shale .——__. __ 6 123 Gravel, large —.—__—;. 62 185 Red shale - "—- - -— 5 190 Gravel — ._._——— —> 27 217 Red shale - - ————— ——— 6 223 Gravel and boulders ' 132 355 Shale -• 9 36U 105 8A-32C2. Atchison, Topeka, and Santa Fe Ry. Altitude about 2,U30 feet. Drilled by S. W. Burkhart in I91U. 12-inch casing in 191'+/ replaced by 10- inch casing in 19^4. ., ^ ^ , Thickness Depth ^^^^^^^ (feet) (feet) Soil 18 18 Sand and gravel 10 28 Clay -_- 22 50 8/5-7FI. U. S. Government, formerly Adelanto Development Corp., well G3. Altitude about 2,685 feet. Drilled in 1956. 11-lnch casing to 100 feet and 7-inch casing to 2,500 feet, no perforations. _^_ Sand, coarse grained 650 65O Sand, medium to fine grained 65O 1,3^0 Shale, buff, silty, micaceous (cored) 30 1,330 White limy quartz and feldspar conglomerate (cored) 10 1,3^0 Tan micaceous siltstone (cored) 10 1,350 Sand, buff and gray to green shale 270 1,620 Buff, tan, and pink silty shale 50 1,670 Light gray very fine crystalline lime 20 1,690 Light gray-buff to brown shale, increase in sand h-0 1,730 Shale as above; white crystalline lime, Uo percent quartz sand 70 1,800 Buff, tan, and green shale, streaks of sand h^ 1,8^5 White crystalline lime and green and gray shale Ul 1,886 Buff to brown, gray-green, and blue shale 10 1,896 Gray-green to brown shale (cored) 19 1,915 Gray-green lime (cored) 15 1,930 Blue calcareous shale (cored) 10 1,9^+0 Gray-green to blue waxy shale (cored) 10 1,950 Gray to green shale, and thin gray limy shale 10 1,960 Green to gray-green shale 10 1,970 Olive-green to brown shale 5 1,975 Tan to blue shale — 10 1,985 Green, gray, and brown shale 10 1,995 Brown to green micaceous shale (cored from 1,995 to 2,150 feet) 10 2,005 Gray-green to blue-green limy shale 10 2,015 Gray-green slicken-sided shale 10 2,025 Green to blue shale 10 2,035 Gray-green limy shale 10 2,OU5 Gray-green limy siltstone, k- and 3-foot white chalky lime 10 2,055 Gray-green siltstone 5 2,060 Gray-green limy shale and 5-foot olive-green limy siltstone 6 2,066 Gray-green to gray sandy shale and siltstone, slightly calcEireous, has a k^^ bedding plane 10 2,076 Olive-green to olive-brown micaceous siltstone 10 2,086 Gray micaceous shale 10 2,096 Yellow to green shale 9 2,105 Continued 106 8/5-7F1. --Continued Thiclmess Depth Material (feet) (feet) Yellow to green shale, with micaceous siltstone 10 2,115 Green micaceous sand 15 2,130 Gray micaceous siltstone 10 2,140 Gray micaceous sand, gray to tan siltstone 10 2,150 White limy sand, gray-green siltstone, buff silty shale 60 2,210 Buff sandy siltstone and green silty shale with streak of sand l60 2,370 Quartz and feldspar sand, green shale, trace of gray limestone ~ 30 2,400 Very hard quartzitic sand, streaks of sandy shale 139 2,539 8/5-ll+Hl. Mrs. Turuo, formerly Adelanto Development Corp., well G2. Altitude about 2,680 feet. Drilled in 1955* 11-inch casing zero to 105 feet, i.ncasod hole 105 to 2,085 feet, not perforated. Sandy shale o,nd strsaks of clay 102 102 Sandy clay, streaks of hard clay ^^8 550 Sandy clay and boulders 660 1,210 Hard sand and volcanic rock 152 1,3^2 Hard sandy clay 188 1,550 Sandy boulderr. — 102 1,652 Brown sandy clay and boulders (nonmarlne sediments) ^33 2,085 8/6-12B1. U. S. Government, formerly Adelanto Development Corp., well Gl. Altitude about 2,705 feet. Drilled in 195^. 11-inch casing zero to 101 feet, uncased hole 101 to U,122 feet, not perforated. Sandy clay - - 101 ICl Yellow sandy clay 80 l8l Shale and hard shells 71 252 Brown shale l8 270 Sandy yellaj- clay 70 3^0 Sand and gravel 10 350 Hard clay and shells 75 U25 Hard gray shale 65 U90 Hard sticky brown shale 51 5U1 Gray shale kk 585 Conglcn^rate and streaks of gray shale I37 722 Gray shale, streaks of lime 3I 753 Gray shale, streaks of brown shale 122 875 Blue-gray shale, streak of lime 37 912 Hard sandy gray shale 129 l,0Ul Blue-gray shale, streaks of sand k2 1,083 Very hard sandstone 5 1,088 Gray shale, streaks of hard green sand 72 l,l60 Sand shale and boulders 97 1,257 Hard brown sandy shale 86 1,3^3 Hard gray shale, streaks of brown 110 1,^53 Continued 107 8/6-12B1. --Continued ... . T Thickness ^^^^^^^ (feet) Ba.ue sandy shale 76 Hard brown shale 82 Gray shale and hard sand (cored) 15 Hard gray shale 12 Hard brown and gray shale 112 Hard gray shale 23 Sticky gray shale 8 Gi-ay sandy shale 88 Gray and brown shale 31 Hard sandy gray shale "+3 Gray and brown shale 10 Hard brown shale 3^ Baxd shale and boulders 62 Brwrn shale, red and gray sand (cored) 20 Brown shale and sand 115 Brown and gray shale 55 Hard granite-like sand 36 Hard brown sand 35 Brown sandy shale l8 Brown sandy shale (cored) l6 Hcird sandy brown shale 55 Very hard granite-like conglomerate 10 Hard gray granite-like conglomerate 3*+^ Very hard brown shale l6 Granite ^ Granite and hard brown shale 82 Conglomerate (cored) 5 Hard brown shale and granite 117 Hard gray and brown shale 31 Hard brown shale with gray and green streaks 126 Conglomerate (cored) 13 Shale and granite 29 Shale, granite and fractures 29 Brown shale ajid hard sand 68 Conglomerate, shaie, granite sand 76 Conglomerate, streaks of quartz 96 Gray shale, granite streaks 23 Conglomerate 63 Hard sand, gray shale, conglomerate 66 Conglomerate 32 Hard sandstone and boulders 23 Hard sand, gray shale 92 Conglomerate (cored) 17 Hard sandy shale 80 Fine sand, pebbles and silt '♦^O Hard sand 57 Hard sandy shale 8I Hard sand, streaks of "bentonite" 97 Hard sand 28 Hard green sandy shale 29 Sandy shale 23 Hard sand and granite streaks — 26 Hard and tough brown shale 39 Granite — 7 r 125 Granite conglomerate Scored 3 feet; 4d 108 Depth (feet) 1,529 1,611 1,626 1,638 1,750 1,773 1,781 1,869 1,900 1,9^3 1,953 1,987 2,0^9 2,069 2,l8U 2,239 2,275 2,310 2,328 2,3^+ 2,399 2,U09 2,1+1^3 2,1+59 2,1+63 2,51+5 2,550 2,667 2,698 2,821+ 2,837 2,866 2,895 2,963 3,039 3,135 3,158 3,221 3,287 3,319 3,31+2 3,1+31+ 3,1+51 3,531 3,571 3,628 3,709 3,806 3,831+ 3,912 3,951 l+,076 i+;i^2 10/6-5E1. Darr and Caillier, formerly George Beecher. Altitude about 2,^75 feet. Drilled in 19^2. 8- inch casing, perforated 200 to 1|00 feet. Thickness De-:;th Material (feet) ( -'--':J Topsoil — 10 10 Gravel 5 ^3 Gravel in red clay 5 ^^ Red clay - - — 10 30 Sandy shale - 50 80 Hard shale ^+0 120 Sandy shale 70 190 Shale and sand - 22 212 Water gravel — — — ---- — l6 22o Water gravel and shale 6 23'^ Shale 10 2kk Water gravel 6 250 Grayish shale 6 255 Shale - 9 265 Broken shale and gravel 7 272 Water gravel 6 27o Shale with some gravel 32 310 Shale 90 i^OO Boulders 5 ^05 Shale 12 hn Gravel 13 ^30 Shale 20 1+50 IO/6-5E5. California Electric Power Co. Altitude about 2,1+75 feet. lU-inch casing, perforated from ^5 to 105 and 200 to 280 feet. Undescribed - 30 30 Rock, packed and gravel 90 120 Clay and sand 30 150 Gravel and clay 38 1^8 Gravel and sand, packed U-2 23O Sand and gravel, water 33 263 Clay, yellow - 22 285 10/6- 5F1. Carl Siders. Altitude about 2,1+75 feet. Drilled by H. H. Ley in I9U9. 10-inch casing, perforated from 210 to 23I+ feet. Soil, sandy clay, and tough clay ribs 195 195 Coarse sand, yellow clay 3 I98 Loose sand and gravel, rock 2l+ 222 Conglomerate, yellow clay, rocks, lime 5 227 Cemented sand 1 228 Granite, semidecomposed 1 229 Red sandy clay 5 234 No data - 153 387 109 10/6-20M1 (DFC-1). U. S. Air Force, test well. Altitude about 2,700 feet. Drilled hy the Department of the Irterior in 193S Not cased. Thickness Depth Material (feet) (feet) Sand and silt composed of quartz feldspars and biotite. This unit probably consists of poorly consolidated silt, sand, friable cobbles ajid friable boulders 128 128 Well-consolidated sand and silt, containing hard pebbles, cobbles, and boulders of queurtz monzonite 12 I'^^O Conglomerate, well-consolidated, calcareous; composed of silt, sand pebbles, cobbles and boulders '- 1*011 1,151 Sand, greenish-gray, slightly calcareous, Bubangular, very fine to very coarse; contains numerous granules and pebbles H 1,1d2 Sand, greenish-gray, slightly calcareous, argillaceous, very fine to medium, cross- bedded - - - 2 1,104 Sand, greenish- gray, slightly calcareous, very fine to very coarse; contains many granules 5 1/169 Sand, greenish-gray, slightly calcareous, very fine, crossbedded '2 1,169.2 Sand, greenish-gray, slightly calcareous, very fine to very coarse; contains msmy granules l«o 1^171 Sand, greenish- gray, calcareous, very well cemented, medium to very fine -— 2 1>173 Sand, greenish-gray to yellowish-gray, slightly calcareous, very fine to very coarse; contains many granules and some pebbles 8 1,181 Sand, yellowish-gray, slightly calcareous, very fine to very coarse; contains some granules. Bedding dips 7° - 30 1,211 Sand, light greenish-gray, very fine to very coarse but predominantly fine. Some granules present 9 1,220 Sand, light greenish-gray, very fine to very coarse; contains numerous granules 6 1,226 Silt, greenish- gray, crossbedded. Bedding is horizontal 8 1,23'+ Clay, greenish-gray, well- indurated, horizontally laminar - - - 2 1,236 Sand, greenish-gray, very fine to verj' coarse; contains some granules 2 1,238 Sand, greenish-gray, silty, very fine, crossbedded h 1,21+2 Clay, greenish-gray, silty 1 1,2^3 Silt, greenish- gray, argillaceous, contains much very fine sand 3 1,24^6 Sand, greenish-gray, argillaceous, silty, very fine to very coarse, contains numerous granules and a few pebbles 2 1,2U8 Continued 110 I 10/6-20M1 . —Continued ^ ■■- — '- — Thickness Depth Material (feet) (feet) Silt, greenish- gray, argillaceous, horizontally bedded. A couple of bands of clay grade into argillaceous silt within this unit 3 1;2^1 Sand, very light gray, very fine to very coarse, contains 3ome granules. Tliis unit becomes finer grained with increasing depth 1 1>2>2 Silt, greenish-gray, argillaceous, horizontally thin bedded; contains some very fine sand 2 \,i-A Sand, greenish-gray to very light gray, argillaceous, very fine with distorted bedding. A thin layer of fine to very coarse sand is present at 1,256 feet 2 1,25d Silt, greenish-gray, argillaceous, horizontally thin bedded; contains some very fine sand 2 l,25o Sand, greenish-gray, silty, very fine to fine .5 1258.5 Silt and clay, greenish-gray, horizontally thin bedded, argillaceous silt and silty clay 9*5 1,268 Silt, greenish- gray, argillaceous, massive; contains some very fine sand 1 1,269 Sand, greenish-gray, slightly calcareous, very fine to coarse 2 1^271 Sand, greenish-gray, argillaceous 1 1,272 Sand, greenish-gray, slightly calcareous, very fine to very coarse; contains numerous granules. The sand becomes finer with increasing depth. 8 1,280 Silt, d.a:.'x greenish-gray, argillaceous, arenaceous 2 1,282 Sand, greenish-gray, calcareous, very fine to very coarse; contains some granules 20 1>302 Sand, greenish-gray to yellowish-gray, calcareous, silty, very fine; contains a few layers of coarser sand and granules 7 1;309 Sand, yellavish-gray, slightly calcareous, well- cemented, very fine to coarse 3 1>312 Cobbles and pebbles, quartz monzonite. Poor core recovery 2 1,31'* Sand, greenish-gray to yellowish-gray, very fine to coarse 22 1,336 Sand, greenish-gray, slightly calcareous, very fine to very coarse; contains numerous granules and a few pebbles h l,3''-0 Silt, greenish-gray, slightly calcareous, argillaceous, crossbedded; contains some very fine sand. Bedding is horizontal 11 1,351 Sand, very light-gray calcareous, very fine to very coarse 1 1,352 Sand, greenish-gray, very fine to medium 2 1,35'+ Sand, greenish-gray, slightly calcareous, very fine to very coarse; contains numerous granules 2 1,356 Sand, greenish-gray, calcareous, very fine, thin bedded 3 1^359 Clajr, greenish-gray, silty Conti^Aied ^'^61 111 10/6-20M1. --Continued Material Thickness Depth (feet) (feet) Silt, greenish- 3ray, slightly calcareous, argillaceous, arenaceous 2 1/3^3 S' nd, greenish-gray, slightly calcareous, contains much very fine sand .5 1>363«5 Silt, greenish-gray, slightly calcareous, contains much very fine sand 1 1,36^«5 Sand, greenish-gray, very fine to medium »5 1^365 Sand, greenish-gray, argillaceous, silty, very fine to medium; contains a few thin beds of silt ^ 1^369 Sand, greenish-gray, calcareous, silty, very fine to very coarse 5 ^)31^ Sand, light olive-gray, slightly calcsireous, very fine to very coarse j contains numerous granules and a few pebbles. 11 1;385 Sand, light olive-gray, calcareous, silty, very fine 2 1^38? Sand, greenish- gray, calcareous, silty, very fine to very coarse; contains scattered granules and a few thin horizontal beds of silt 6 1,393 Sand, greenish-gray, calcareous, very fine to very coarse; contains numerous granules and. a few pebbles 7 1,UOO Sand, light olive-gray, calcareous, silty, very fine to very coeirse, but predominantly fine and medium. A quartz monzonite cobble is present at 1,1+04 feet and a thin silt layer occurs at 1,1+15 ft 22 1,U22 Sand, light olive-gray, slightly calceireous, very fine to very coarse; contains some granules and a few pebbles 9 1,^31 Sand, greenish-gray, calcareous, silty, very fine 5 1;^36 Sand, light olive-gray, very fine to very coarse; contains numerous granules and some pebbles 1 1,^37 Sand, greenish-gray, calcareous, silty, very fine to medium, alternating massive and thin beds 26 l,'<-63 Sand, greenish-gray, calcareous, silty, very fine to medium, alternating massive and thin beds 20 lj'+83 Sand, greenish- gray, calcareous, very fine to very coarse; contains numerous granules and a few pebbles. A quartz monzonite cobble is present at 1,U83 feet 15 l,'+98 Sand; same as that at l,i4-83 feet 15 1,513 Sand, greenish-gray to light olive-gray, calcareous, ■very fine to very coarse, but predominantly fine and medium. A couple of quartz monzonite pebbles are present at 1,525 feet 20 1,533 Sand, greenish-gray to light olive-gray, slightly calcareous, silty, very fine to very coarse; contains numerous granules and some pebbles 28 1,5^1 112 10/6-20M2 (SFC-1). U. S. Air Force. Altitude about 2,700 feet. Not perforated. Test well for borate minerals. TTT T"! '■ ~ . ■ Thickness Depth Material •' /^ ^ \ /x. ^ \ . (feet) (feet; Sand and gravel — — 128 128 Conglomerate, gray, with cobbles and pebbles of granitic rocks in matrix of gray arkosic sand 1,023 1,151 Sand, fine to coarse, gray, arkosic, locally pebbly, with some parting of clay; dips zero to 5° 1,U2U 2,575 Sand, as above, with some interbedded clay and siltstone, greenish clay. Bedding horizontal 310 2,885 Semd and sandstone, fine to medium; gray, arkosic, with clay; dips zero to 10° 531 3/^l6 Sandstone, gray friable, medium to coarse grained, with some conglomerate of granitic pebbles and cobbles - 8l^ 3,500 II/6-3I-I. G. K. Hogan and J. DeFon. Altitude about Drilled by H. H. Ley in 19^6. Well destroyed. "Hardpan" ., Soil, sandy clay --- Sand, approximately 60 percent; clay, approximately ^4-0 percent r — Fine sand and clay — - Clay containing approximately 5 percent coarse sand "Hard rib" Sandy clay "Hard rib" - Clay and fine sand — -— - — -- Sandy clay Fine water sand, small amount of water — Sandy clay — — Coarse sand and clay Sandy clay — 2,l^50 feet.' k3 J+3 28 71 2 73 27 100 3 103 2 105 19 12U 1 125 22 lt^7 h3 190 2 : 192 8 200 k 20h a6 . 220 113 Table 7« -- Chemical analyses of waters from veils Constituents : The sum of determined constituents Is the sum of the tabulated constituents minus approximately half (50.8 percent) of the bicarbonate. Because all of the commonly occurring major constituents (except silica in many of the analyses) were analytically determined^ the values for dissolved solids and sum of determined constituents should be approximately the same. All values have been rounded where necessary to conform to the standards of the Geological Survey. Numbers in parentheses are values calculated by the Geological Survey, Ground Water Branch. Analyzing laboratory: Be Babcock and Sons, Riverside, Calif.; DA U. S. Department of Agriculture, Rubidoux Laboratory, Riverside, Calif.; DWR State of California, Department of Water Resources, GS U. S. Geological Survey (Thompson, 1929), F San Bernardino County Flood Control District. Well number 6A-19F1 6/U-19J2 6A.19P1 Constituents in parts per million Silica (SIO ) Iron (Fe) "^ 20 1.2 0.8 Calcium (Ca) Magnesium (Mg) Sodium (Na) Potassium (K) 60 12 alfS 10 1.7 30 8 9U Bicarbonate (HCO^) Carbonate (CO ) ^ Sulfate (SOk)^ Chloride (Cl) Fluoride (F) Nitrate (NO^) Boron (B) 107 36 205 38 32 183 100 36 Dissolved solids (Dis. S) Sum of determined constituents (370) Hardness as CaCO^ (199) Percent sodium (^Na) Specific conductance (micromhos at 77°F) PH Temperature (°F) Date collected (Date) Depth of well in feet (Depth) Analyzing laboratory and number (Lab., No.) 3^^ 619 8-30-5'+ 100 Bc-5'+0820A 298 (273) 150 39 506 7.2 70 F-25I18 (359) 108 2 572 7.3 6-20-56 100 Be -560621c a. Includes potassium. 114 Well number .' 6A-19R3 ! 6A-19R'+ *. G/k.2kJll 6/U.26BI Constituents In parts per million Fe Ca kO 31 68 55 "+1 Mg 7.6 9.6 11 9 10 Na a32 (a39) 59 60 Bh K 1.6 .8 1.6 HCO, 159 172 177 1^2 95 COo sof 18 ' 27 88 127 167 Cl^ 36 22 80 26 k2 F .6 .7 2.!+ 3.2 N0^5 .5 7.9 9.5 B .05 .17 .^0 Dis. S 263 ^^^ ^17 ^^2 Sum (213) (2lJ^) (i^03) (350) (U06) Hardness 1^1 llU (215) IT^L 1^3 ^^la- 35 (^2) 37 ^3 56 Micromhos 370 685 618 695 pH 8.2 7.3 7.2 7.8 7.7 Date U-15-52 J+-8-U2 8-7-57 9-2-55 9-2-55 Depth 55 ^+8 190 Lab,, No. F-21U7 F-lOA GS-RI65I !j:3661 F-366O Well number ; 6/k-29yk [ 6/it-29M6 '. 6/U-29M7 Fe 0.1 1,0 Ca 22 20 30 1^5 36 Mg 7.9 13 11 12 11 Na (a32) (a28) a32 a37 a90 HCOo CO^^ soe .130 lUO 133 180 183 Trace 23 23 20 h5 130 Cl^ 19 18 18 32 21 NO, B ^ 22 .13 Sum (168) (171) (199) (260) (379) Hardness 89 105 118 160 136 ^oNa (i^li) (36) (37) 33 59 Micromhos 319 325 1^52 589 pH 7.6 7.6 7.2 7.6 7.1 Date lt-8-U2 6-29-i^2 9-21-52 6-20-56 6-20-56 Depth 7k 53 Lab., No. F-9A F-9B F-9C BC-56062ID BC-56062IB a. Includes potassium. 115 Well number \ 6A.30C1 « 6/U-30D2 : • 6A-30D»+ Constituents in parts per million Ca Mg Na K 33 9.7 (a75) in 6.9 (aSo) 2U 3.9 a62 31 7.0 57 l.k 25 6 50 1.5 HCO:. CO-, SO^ CI 155 132 21 168 133 20 106 97 9 9k 126 13 ikk 9 39 23 F NO3 B 11 .06 .5 k.5 .6 1.5 .02 Dis. S Sum Hardness 123 (361^) 130 (259) 76 298 (2B6) 2kk (227) "'7 ^Na Micromhos pH Date Depth Lab , , No . (55) 7.3 1+.8-U2 50 F-30A (57) 606 7.0 6-29-1+2 F-30B (6U) UUi 7.2 9-2I-U2 F-30C :>k U87 6.8 ^-3-57 ko F"i^o68 ^<;4 ' 8.U 6-l?~52 ;.o F-n:o6 • Well number • 6A-30G1; • 6/u. 30K1 ; 6/i+-30K2 ; • 6/U-30P2 \ 6/'-!-32D8 Fe '^ 17 17 .01 17 .32 Ca Mg Na K 31 U.8 51 1.9 33 6.7 1.8 2h 5.U 56 1.9 29 8 kl 2.9 13 U 29 1.2 HCO3 COo^ CI 167 20 177 33 22 171 kk Ik 171 5 33 19 107 6 6 9 F NO^ B ^ .8 .2 ,1k .8 .13 .8 2 .05 .6 k .5 k Dis.S Sum Hardness 250 (250) 97 2kl (21+7) 110 2U9 (250) 82 251 (232) 103 l'+5 (125) 51 ^Na Micromhos 8? 53 Uoo 5?-° ^1 395 7.3 59 397 K Gs-19211 i+8 396 8.1 55 209 8.5 Date Depth Lab., No. 5-17-56 100 GS-19210 5-17-56 105 GS- 19209 1+-I-5I+ 43.8 F-3C87 7-23-55 73 F-3-18 a. Includes potassium. 116 Well number 6/1+-32G3 Constituents in parts per million SiO^ Fe '^ 25 20 22 Ca 28 28 36 27 2V , Mg 7 T 10 10 2 Na 33 36 U3 1+1 37 K 2.2 2.1 2.1 2.3 1.2 HCOo CO^ SO^ CI 131^ IU6 166 IU6 128 lU 18 11 18 17 33 20 33 7 16 P' M M .h M .3 NO- 27 23 31 21 16 b3 .02 .OU .06 .06 .02 Dis. S 180 210 265 228 18? Sum (196) (223) (275) (2lv9) (167) Hardness 99 (99) (131) (109) (68) Micromhos pH Date Lab., No. U2 320 7.7 ll-9-5li- DWR-5006 7.8 DiJR-5701 (in) U»+l _ 7.6 DWR-6973 375 „ 7.8 12-20-56 DWR-T5U82 9^ 293 7.9 7-ii-57n DWR-Rl5tl8 Well number 6A-32GU 6A-33RI ; 6/I+-3UM2 ; 6A-3'+M3 Fe Ca Mg Na K 12 3.2 (a30) 30 8 37 2.8 70 17 50 1.0 56 12 h6 1,0 57 13 18»+ 2.0 HCO:> CO^ S05 CI 110 159 193 122 356 5 3.5 10 16 19 101 57 100 60 175 77 F .k .8 .8 .8 NOo B ^ 31 2.5 .12 .08 .5 Dis.S Sum Hardness 231^ (222) 105 (39^0 242 189 709 (690) 196 ^Na Micromhos pH Date Depth Lab., No. 60 8.1 lf-8.'+2 F-6A U2 369 . ^•} U-l-5lf F-3081 31 70U 7.2 9-2-55 262 , F.3671^ 3^ 608 8.0 9-2-55 F-3?68 67 1,170 8.1 9-2-55 F-3675 a. Includes potassium. 117 Well number .' S/k-^kVh ', 6/k.3^M5 [ 6/U-3'+M6 ] 6A-3UN2 ] 6/I+-3I+N3 • • . • ■ Constituents in parts per million Pe Ca 156 156 162 58 38 Vis 31 31 33 lU 10 Na 92 86 72 J+2 2i^. K 1.6 1.7 2.0 .8 1.0 HCO:« CO:j^ 322 327 276 161 110 257 2i+6 2U9 9h 57 Cl^ 122 118 135 hk 31 F .6 .8 .6 .8 .6 NO 1.5 2.0 .5 2.5 B 3 .26 .03 .1 .08 Dis. S 906 868 983 366 265 Sum (821) (8C3) (790) (533) (222) Hardness 515 517 5^1 205 1-.!+ ^Na 27 27 22 31 31 Micromhos 1,350 1,330 1,3»^0 591 »+G2 Date 7.0 7.2 6.9 7.7 7.'* 9-2-55 9-2-55 9-2-55 9-2-55 9-2-55 Depth Lab., No. 50^ 50 52 ^■5 F.3658 F-366U F-3669 F.3665 F-3670 Well number j 6/k-^kl^k \ S/k-ZhuG : 6/U-3UN7 ; 6A-3UPI j 6A-3UP2 Fe Ca 62 78 80 UO 105 Mg IJ* 18 20 8 25 Na 3^ 110 126 56 98 K 1.7 2.7 2.k 1.5 2.0 HCO3 15*^ 300 232 1U9 2U6 COo SOk 93 1^9 199 63 232 CI ^7 79 llU h3 95 F .3 .6 .6 1.0 .6 NO- B ^ 3.0 1.0 3.5 k.O .3'+ .2 .1 .08 Dis. S 376 633 697 30U 738 Sum (331) (5S7) (660) (292) (679) Hardness 216 271 28»+ 130 365 iiHa 25 hi k9 k8 37 Micromhos 591 1,020 1,1U0 521 1,130 PH 7.3 7.3 7.8 7.5 6.9 Date 9-2-55 9-2-55 9-2-55 9-2-55 9-2-55 Depth 100 50 108.9 86 Lab . , No . F-3656 F-3657 F-3679 F-3680 F-3681 118 Well number 6/5- 8F1 6/5-28F2 Constituents in parts per millior 1 SiO„ 3»* 10 Fe ^ .3 Ca 5.2 \h 8 13 81+ 10»* Mg 3.6 1.6 3 3.6 2i+ 27 Na aSl^ 85 85 78 al2ll- 125 K .8 1.6 5.9 '+.9 HCO CO:,^ S05 123 128 85 181 2UU 22 101 108 107 130 257 259 CI ^^.5 8.5 2 85 90 97 F .5 .It N0:> 2.5 1.5 37 ^5 73 B ■^ .08 .06 .1 .2 Dis. S 300 298 751 866 Sum (259) (281^) (272) (387) (723) (810) Hardness 28 (i^2) 30 (U7) 308 372 pio. (87) (8U) (8U) (75) (*^7) \2 Micromhos li5l U67 lfU3 1,120 126 PH 8.2 l.h 8.6 7.8 7.8 Date 9-21-ii2 3-12-5^^ U.i-5i^ 11-15-32 1-9-50 U.I.5U Depth 90 190 Lab., No. F-29A GS-Pl^76 F.3089 DA-6910 F-1221 F-3088 Well number 6/5-28F3 6/5-29HI Si02 10 lif Fe .5 Ca (11) U.U 20 19 8.8 8 Mg U.O 3.2 1.1 8.5 i^.7 1 Na (79) a85 a75 a87 a8l 80 K 2.0 HCO, CO,^ S04 90 87 102 103 93 88 1.2 127 123 120 9U 119 126 CI 7.3 10 12 i+0 11 3 F .5 NO- B ^ 9.2 10 3.2 .5 .OU Dis. S 181 258 32»+ 281 283 Sum (272) (278) (298) (303) (286) (261*) Hardness h-> 2U 55 83 Ul 21+ ^Na (80) (88) (75) (70) 81 87 Micromhos 1+78 »+83 536 i+6l 1+27 pH 8.6 8.1 7.6 8.3 8.0 8.2 Date 1+-8-U2 2-15-i+3 3-9-^it 8-19-i+3 1-9-50 l+-l-5«+ Depth 136.1 190 Lab., No. F.2C F-36 F-131 F-l+i F-1222 F-3085 a. Includes potassium. 119 Well number 6/5 -29J1 ; 7/i*-6Ai: 7/U-6H2 \ • 7/1+ -6 J2 Constituents in parts per million Fe '^ 8 19 1.0 Ca lU 8 21 75 82 128 Mg 9.8 1 3.1 15 11 24 Na 5.9 80 113 al90 a78 140 K 1.5 2 2.9 2.9 HCOn CO3 1U6 72 203 H15 285 U17 SOj, 50 126 82 192 109 211 cr 19 3 ^l 59 70 113 F .5 .5 1.6 .6 KOo 3 .1 17 5.7 15 B ^ .16 M .06 .15 .6 Dis. S 230 283 383 696 51+2 861 Sum (176) (256) (367) (761) (515) (840) Hardness 76 21+ 6U 250 252 417 p^& 63 (87) 78 (62) UO 42 Micromhos 396 615 1,171 725 „ 1,340 PH 7.9 8.2 8.0 6.7 7.8 7.4 Date 6-2-53 i+-l-57 l-21-5»+ 6-2ii.t+5 1.9-50 1-21-54 Depth 190 79 Lab., No. F-2675 F F-2975 F-319 F-122U F-2964 Well number \ 7/U-6PI SiOg 22 2.8 0.8 Fe .1 9.2 .48 Ca 59 59 58 Mg 16 19 12 Na a82 a73 b71 HCO, 2U0 22U 217 C0^3 129 132 133 CI 38 46 46 F .1 M .5 NOo B ^ .2 U.7 3.1 .5 .21 .21 Dis. S 1+UU i+93 483 Sum (»^65) (i^56) (432) Hardness 212 226 194 9^Na U6 1+1 44 Micromhos 715 73U 720 pH 6.8 1.^ 6.8 Date IO-1U.U8 12-27-'+9 12-27-49 Depth 80 Lab . , No . F-920 F-I21U F-1215 a. Includes potassium. 120 Well number • « • 7A-7C1 Constituents 3 in parts per million Si02 8 25 Fe .3 .05 Ca 70 68 132 76 71+ 51 Mg 13 15 27 15 11+ 3 Na 139 103 118 66 68 kk K k,l 2.2 2.0 2.5 HCO^ 376 320 288 259 229 220 SOj. CI 122 11^3 362 129 135 33 kl 55 59 1+1 1+0 21 F .8 .7 .7 .5 NO, B ^ 18 5.7 .5 1.0 1.0 3.0 .15 .35 .18 .11+ .13 Dls. S 51^3 592 900 kh^ 1+60 299 Sum (596) i^m (8U6) (U59) (1+73) (266) Hardness 227 231 Ul+3 (252) (21+2) (Ii+O) ?&Na (57) {^9) 36 36 (38) 1+0 Micromhos 922 901 1,280 758 7I+I 1+92 8? 6.6 7.3 7.2 l.h 7.1 7.7 62 59 Date 6.2k.h3 12-27-'+9 1-21-5^ 10-28-5^ 5-5-55 7-10-57 Lab., No. F-320 F-1213 F-2962 GS-5020 GS-5689 DWR-KL653 Well number 7A- 7C3 ; i/k-in. : 7/t+-31El Fe 2 10 2k 25 .2 Ca 50 ko 120 \°2 93 Mg 9.9 11 20 10 nI a69 J+5 al62 66 53 „ K 1.8 2.2 1.8 HCO, 229 178 390 307 290 211+ C0.3 so^ 56 51^ 216 lUl m Cl^ 28 31 123 59 k3 39 F .7 1.0 .6 .8 NOo B ^ 33 10 3.0 .06 .16 M .Ik .1 Dis. S 32i^ 258 913 5kO 1+50 Sum (369) (272) (868) b^S) {k3^) (11+1+) Hardness 166 lii5 381 33U (273) 173 ^Na ihS) Uo l;8 30 (30) Micromhos 55§ , i+62 1,250 833 678 612 8? 6.6 7.5 7.1 7.1+ 70 eP 63 Date 6-2h-h3 1-21-5'+ 2-27-52 II-9-5I+ 5-5-55 7-21-57 Depth 100 210 90 Lab., No. F-321 F-2963 F-2010 DWR-5011 DWR-5698 DVffi-Rl6ll+ a. Includes potassium. 121 Well number ! 7A- 3IMI . ; 7/4-31P1 ; 7/5-36qi Constituents 1 in parts per million Si02 13 17 Ca 5i^ 60 96 95 34 40 Mg 10 11 20 16 7.1 9.8 Na 63 66 50 54 a33 32 K 2.3 2.3 1.8 2.5 2 HCOo C03^ 220 25"+ 312 303 144 198 SOi^ 52 69 104 111 40 23 Cl^ 55 50 42 47 26 23 F .7 1.5 .5 .6 .6 .6 NO3 .5 B .02 .05 .11 .14 .09 .01 Dls. S 38U U78 493 493 243 255 Sum (358) (i^oi) (195) (468) (476) (212) (228) Hardness 176 320 302 114 l4o ^Na (i^3) (42) 25 28 39 33 Micromhos 570 686 797 791 340 4i6 PH 8.0 7.6 7.2 7.5 7.7 7.2 Bate l-lU-57 7-10-57 1-21-54 4-11-52 1-23-53 Depth kk.k 131 65 Lab . , No . DWR-T5700 DWR-T929 F-2453 F-2961 F-2074 F-2483 Well number : 8/1+-17Q2 1 • 8/4-19J3 • t 8/4-19R1 Si02 28 Fe Ca 52 9h 135 208 99 115 Mg 7.9 12 28 30 18 17 Na 250 all+8 175 210 164 170 K 2.5 4.7 4.9 3.1 4.1 HCOo 298 289 281 254 290 285 CO soj 221 169 286 369 228 321 CI lUl 134 220 377 119 126 F .8 .5 .6 .4 .8 .6 NOo 1^.5 7.U 10 13 2.0 6.0 B .6k M .51 .71 .29 .67 Dis. S 836 759 1,050 1,480 800 954 Sura (827) (735) 284 (998) (1,340) (777) (900) Hardness 162 454 645 320 368 ^Na 77 53 45 41 52 51 Micromhos 1,310 1,2U0 1,650 2,l4o 1;120 1,490 pH 8.0 7.3 7.4 7.6 7.6 7.6 Date 6-2-53 2-5-52 1-21-54 2-4-54 6-24-52 1-21.54 Depth 40 30.0 Lab . , No . F-2701 F-1990 F-2971 F-3008 F-2199 F-2970 a. Includes potassium. 122 Well number ; 8A. 20A1 ; 8A-20B1; 8A-20G2 Constituents in parts per million SiOg 17 21 Ca 1»*2 136 90 122 107 Mg 2U 28 11 22 17 Na 286 320 190 135 190 K 3.1 k,2 2.6 3.7 5.3 HCO, COo^ 37** 390 267 297 300 11 338 381 207 202 232 Cl^ 300 335 169 159 193 F 1.2 2.U .6 .7 .6 NCo 3.5 h.3 3.0 1+.5 k B .36 .65 .62 .1+1 .52 Dis. S 1,3^0 1,580 871 870 92U Sum (1,300) (l,'+30) (817) (795) (897) Hardness (i^53) 1+55 k^ 289 338 ^Na (58) (60) 60 1+2 51+ Micromhos 2,030 2,310 1,230 1,350 1,1+90 PH 7.5 7.i+ 8.0 7.6 7.6 Date l-lU-57 7-10-57 10-10-55 3-9-53 I-21-5I+ Depth 25 1+0 60 Lab., No. DWR-T5701 DWR-T920 F-3759 F-255I+ F-297I+ Well number : 8A • -20N1 : 8A-2ON2: • • 8A-2OP1: 8A-2OP2: 8A-20P3 • • Ca 270 339 159 631 81+ 1+22 Mg h2 5k 23 90 18 39 Na 235 230 125 Uoo 93 180 K U.8 5.2 3.1 7.6 3.0 5.6 HCO^ ^°3 398 1+81 266 21+2 12U 195 SOk t^53 609 251 1,170 163 338 01 355 395 189 975 158 772 P .7 .8 .7 .6 .6 .3 NO, B ^ 23 7.0 10 1+.5 2.5 16 .38 .60 .28 .31+ .22 .23 Dis. S 1,710 2,090 951 3,900 681 3,110 Sum (1,580) (.1,880) (892) (3>l+00) (583) (1,870) Hardness 8U6 1,070 1+93 1,950 282 1,210 ?iNa 37 32 35 31 1+2 21+ Micromhos 2,030 2,820 1,360 l+,330 1 ,050 3,080 pH l.h 7.9 7.5 7.9 7.9 8.1 Date 8-25-5'+ 12-9-55 8-25-5I+ 6-29-5U 6-27-55 3-3-5I+ Depth 50 91 65 115 Lab,, No. F.32U0 F-3736 F-3239 F-3197 ] F-3615 F-3070 123 Well number ; 8A-2IFI; 8/i+-21F2 ; • I 8/U-29C2; 8/U.3OE1: 6/U-3OFI Constituents in parts per million SIO Fe ^ 30 Ca 58 1^0 70 169 56 233 Mg 7 12 lU 27 U 9.2 Na 113 105 115 205 180 1+60 K 2.5 2.2 2.5 »+.5 2.8 5 HCO COo^ 232 22i+ 2U6 268 150 100 5 SO, 122 126 I6U 360 183 U30 cr 67 37 76 265 170 801 F 1 1.2 .9 .9 .6 .8 HO, B ^ 1 1 8.9 1.5 22 .2U .19 .2J+ .38 M .01 Dis. S 515 •+73 555 1,250 731 2,200 Sura (515) (•^35) (565) (1,180) (677) (2,010) Hardness (173) (ii+g) (232) 535 155 619 ^Na (58) (60) (52) 1+5 71 62 Micromhos 71+3 779 862 1,870 1,200 3,320 S^ 7.7 8.1 7.5 7.5 8.2 7.8 Op 71 72 Eate 5-5-55 5-^-53 11-9-5'+ 7-10-53 11-30-55 7-18.52 Depth 180 50 U05 36U Lab., No. 01-^-5682 F-2663 DvW-5009 F-2738 F-3756 F-2290 Well number ; 8A-30GI : 8A-30H1; • • 8/U-3ON2; 8/U. •30QI Si 02 26 Fe Ca 78 116 183 92 16U Mg 8 17 11 21 32 Na 168 180 5.0 \lh 150 K 3.0 3.2 5.9 •+.3 HCOo 188 25*+ 102 296 181 COo SOk 3 269 330 khl 239 6lli CI 119 lUo 729 63 63 F .9 .8 .9 .9 .8 NO, B ^ 2.0 1.5 3.0 1.5 .60 .U8 .57 .19 .08 Dis. S 788 976 1,970 752 1,230 Sum (7U2) (917) (l,'+30) (76U) (1,120) Hardness 228 360 U95 316 539 ^Na 61 52 68 ^1 37 Micromhos 1,110 1,370 3,180 1160 l,6i^0 pH 7.8 8.0 7.7 7.1 7.0 Date 11-30-55 11-30-55 2-5-52 1-21-5'+ Depth 212 55 59.5 Lab . , No . F-8755 F-3757 F-25U7 F-1987 F-2967 124 Well number 8A-31D1 8/1+-31J1 Constituents in parts per million Si02 30 Fe Ca Mg Na K HCO, CO SO] CI F NOo B ^ Dis. S Sum Hardness 8.5 al29 221 113 61 .3 .36 500 (1^90) 120 180 U6 275 5.3 193 350 .2 9.9 M 1,5^0 (1,^60) 637 67 6.7 130 2.9 288 136 61 .9 1.7 ,26 580 (5i^9) 195 69 12 95 2.8 22il 127 85 .8 2.0 .26 516 (50U) 220 ^Na Micromhos PH Date Depth Lab . , No . 70 820 8.1 2-5-52 F-1988 1+8 2,U80 7.6 1-21-5'+ F-2968 59 806 8.0 7-7-52 60 F-2222 1+8 852 7.6 1-21-5*+ F-2966 Well number 8/U-3IRI SiOg Fe Ca Mg Na K HCO^ CO,^ SO^ CI F NO3 B Dis. S Sum Hardness Micromhos pH Op Date Depth Lab., No. 22 1+6 5.8 al31 205 120 81 1.5 9.i^ .58 539 (518) 138 68 890 7.6 58 12 118 2.7 22i+ li+8 85 2.i+ 2.5 .67 596 (539) 192 2-5 60 F-1986 52 57 90i+ 7.7 l-21-5i+ F-2965 a. Includes potassium. 30 13^ 17 115 3.0 325 203 113 1.0 6.t+ .36 780 (783) (U05) (38) 1,200 7.8 71 5-5-55 DWR-5699 30 159 27 123 3.0 376 2I+0 135 .8 11 .3'+ 922 (91'^) (508) 251 • 33 215 2.5 i+58 . 278 .5 13 .57 1,560 (1,1+70) (762) (3^) 1,1+30 7.5 5-3-56 DWR-693I+ 38 2,2l+0 7.3 7-10-57 DWR-R16I+7 125 Well number • 8A-32^a 8/U.32MU- 8/U-32N2= 8/5-21F1 Constituents in parts per million Si02 25 b35 Ca 197 218 85 31 k5 Mg 27 28 10 U.9 9 Na lUo 172 al32 a73 21»+ K u.o h.5 2.5 HCOo 386 U22 273 215 205 CO:. 7 360 119 192 31 2»+2 Cl^ 172 188 83 32 121 F .9 .9 .9 NOq 2.0 2.5 .5 32 B ^ .kk .50 .20 .6 Dis. S 1,170 1,360 691 313 796 Sum (1,100) (91^1) (670) (313) (767) Hardness 600 653 256 98 (1U9) ^Na 3U 36 53 62 (75) Micromhos 1,710 1,870 960 1,270 pH 7.6 7.3 8.2 7.U Date 10-3-56 2-7-57 3.1+-52 7-21-08 3-l2-5»+ Depth 10 228 Lab., No. F-39eo F-t;051 F-2028 GS-DGT103 D<-/R-PU83 Well number 8/5-25RI 9/6-3ltBi; 10/6-5E3 ;i0/6-5E5 Si02 22 5 57 20 Fe 3.0 Ca 51 97 22 k3 hk ifl Mg 2.2 6.1 6 13 11 17 Na 202 260 315 li26 »*30 a 379 K 5.2 6 3.0 '+.5 HCO;, 156 137 138 30U 302 293 COo 11 13 so^ 199 281 311 318 321 302 CI 150 302 2UU 335 333 287 F .1 .7 6.U 1.6 1.0 NOo 2.0 5.0 1 20 20 B ^ .28 .67 1 2.9 2.6 Dis. S 708 1,050 1,360 1,300 1,360 Sun (706) (1,030) (1,020) 1,380 1,320 1,210 Hardness 136 268 (80) 153 175 ^Na 77 67 (89) 85 85 83 MicromhoE ■' 1,190 ^ 1,750 1,600 2,120 2,160 pH 7.6 7.8 8.0 7.8 7.8 Date 2-5-52 1U0„ F-1989 l-2l-5l^ 5-li+-53 '+-17-53 6-5-53 Depth Lab., No. F-2969 l^ ^s° nffi-3108 258.8 a. Includes pota; ssium. b. Includes iron and alumi num oxides and silica. 126 1 r^l A T r— I U. S, GEOLOGICAL SURVEY PLATE I C B A E F G J^^ Bote Ironi U 5 Geological Survey lopogrophic mopi, scale l 62,500, 1959 MAP OF THE WEST PART OF THE MIDDLE MOJAVE VALLEY AREA, SHOWING RECONNAISSANCE GEOLOGY AND LOCATIONS OF WELLS CALIFORNIA Locolioos ot wells by R- W. Poge, W R Moyle, Jr and others. Geology 6y R W- PoQe ond W B. Moyle, Jr, in lofge pofi generoliied from unpublished mapping by T W. Dibblee. Jr and L. C. Dulcher. gnd publ-sried mopping in the Bofslow quodrongle by 0. E. Bo«n, Jr., (1954), 1959 CONTOUR INTERVAL 20, 29, AND 40 FEET THIS BOOK IS DUE ON THE LAST DATS STAMPED BELOW RENEWED BOOKS ARE SUBJECT TO IMMEDIATE RECALL JAN 5 19T7 NOV 1 RECD LIBRARY, UNIVERSITY OF CALIFORNIA, DAVIS Book Slip-20m-8,'61(C16238l)458 ■?li^ornia. Dept. of water resources. -.\s-C, >v"/^ I :^ PHYSICAL SCIENCES LIBRARY Call Number: EIBRART UWrVERSITY OF CALIFORNiA PAVIS 240514 UNIVERSITY OF CALIfORNIA DAUIS Hill 75 02037 7399 V