TN 
 
 UC-NRLF 
 
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THE 
 
 MINERALS 
 
 OF 
 
 :jalifornia 
 
 AND COUNTY ATLAS. 
 
 ISSUED BY THE 
 
 CALIFORNIA STATE MINING BUREAU 
 
 MiRRY 01JILDIISG, SAN FRANCISCO, CAL. 
 
 Its Of the SANTA FE. 
 
 LEWISiE. AUBURY, 
 
 State Mtneralorlst 
 
M 
 
 THE MAPS 
 
 The unique, artistic, and useful County Maps in this 
 souvenir were drawn expressly for the 
 
 FIREMAN'S FUND INSURANCE CO. 
 
 of San Francisco, and are the work of Mr. Louis Wein- 
 mann, the Secretary of the company. This company kind- 
 ly loaned the original drawings of the maps to the Cali- 
 fornia State Mining Bureau for making the plates of this 
 little book. The maps are copyrighted and must not be 
 reproduced without obtaining permission from the Fire- 
 man's Fund Insurance Co. 
 
 The maps have been CORRECTED TO JANUARY 
 1st, 1902. 
 
 They show all TOWNS, POSTOFFICES, RAIL- 
 ROADS, COUNTY ROADS, STAGE LINES carrying 
 passengers, mail and express, and DISTANCES BE- 
 TWEEN POINTS, forming a handy and useful guide, 
 especially to all who wish to leave the railroad and penetrate 
 to the interior of the mining districts. 
 
 Reliability of statement, and avoidance of exaggerations, 
 have been the prime consideration in compiling these 
 FACTS BRIEFLY STATED. 
 
 •..' : :/: j;o^piled by G. E. BAIUBY, Fitld AMUUnt. 
 
INI3EX TO Counties 
 
 PAGE PAGE 
 
 Alameda 35 Marin 31 
 
 Alpine 39 Mariposa 37 
 
 Amador 33 Mendocino 25 
 
 Butte 27 Merced 37 
 
 Calaveras 33 Modoc ..17 
 
 Colusa 25 Mono 39 
 
 Contra Costa 35 Monterey 41 
 
 Del Norte 15 Napa 31 
 
 El Dorado 29 Nevada 29 
 
 Fresno 43 
 
 Glenn 25 
 
 Humboldt 21 
 
 Inyo 39 
 
 Kern 47 
 
 Kings 47 
 
 Lake 25 
 
 Lassen 17 
 
 Orange 53 
 
 Placer 29 
 
 Plumas 27 
 
 Riverside . 55 
 
 Sacramento 33 
 
 San Benito 41 
 
 San Bernardino 49 
 
 San Diego 55 
 
 Los Angeles 53 San Francisco 35 
 
 Madera 43 San Joaquin 33 
 
 PAGE 
 
 San Luis Obispo 45 
 
 San Mateo 35 
 
 Santa Barbara 51 
 
 Santa Clara 35 
 
 Santa Cruz 35 
 
 Shasta 1 9 
 
 Sierra 29 
 
 Siskiyou 15 
 
 Solano 31 
 
 Sonoma 31 
 
 Stanislaus 37 
 
 Sutter ; 29 
 
 Tehama 19 
 
 Trinity 21 
 
 Tulare 47 
 
 Tuolumne 37 
 
 Ventura 51 
 
 Yolo 31 
 
 Yuba 29 
 
 List of State Mining Bureau Publications. 
 
 242652 
 
 .55 
 
... ... 
 
 • • • • • 
 
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• • • ••• -•. ••. »_ « 
 
 ••- • • •• . t • r ••- • 
 
 • • •••••• •••••»••• 
 
 CALIFORNIA 
 
 POPULATION 1900.. ..1,485,058 POPULATION 1890. ... 1,208,120 AREA, 155,980 Square Miles 
 
 CAPITAL, ... SACRAMIINTO 
 
 TOTAL GOLD PRODUCTION $1,362,356,088 IN 53 YEARS. 
 VALUE OF ALL MINERAL PRODUCTS FOR 1901, $34,455,981. 
 
 Tlie Mineral Resources are 
 
 ENORMOUS, DIVERSIFIED, WIDESPREAD, INEXHAUSTIBLE 
 
 GOLD is produced in 35 out of 57 Counties. 
 
 There are over 250 specific minerals found in the State, 
 and about 50 of them are utilized commercially. 
 
 Each year sees the utilization of some mineral substance 
 heretofore overlooked or neglected. 
 
 What has been done is but the introductory chapter of its 
 history. 
 
 It holds the greatest industrial possibilities for the fu- 
 ture. 
 
 From 1880 to 1890 the total true valuation of property 
 in California INCREASED 88 PER CENT, against an in- 
 crease of 49 per cent for the whole United States; while the 
 valuation per capita increased 35 per cent as compared with 
 19 per cent for the whole country. 
 
 Through the ports pass annually imported goods to the 
 value of $42,000,000, and exported merchandise worth 
 $40,000,000. 
 
 THE TOTAL ASSESSED VALUE OF PROPERTY 
 
 of every description in California in 1900 was $1,218,292,- 
 457, or a per capita valuation of $819. 
 
 THE PEOPLE HAVE MONEY, for the issue of do- 
 mestic orders in one j'ear is over $15,000,000, an amount 
 exceeded only by New York and Pennsylvania. 
 
■Tlie Califo.rn.ia State Mining Bureau 
 
 This institution aims to be the chief source of reliable 
 information about tlie mineral resources and mining in- 
 dustries of California. 
 
 It is encouraged in its work by the fact that its publica- 
 tions have been in such demand that large editions are soon 
 exhausted. In fact, copies of some of them now command 
 high prices in the market. 
 
 The publications reach miners, mine owners and superin- 
 tendents, metallurgists and others directly interested in tlie 
 mining industry, and are kept in all libraries. 
 
 STA"TE MINERALOGIST. The California State Min- 
 ing Bureau is under the supervision of Hon. Lewis E. 
 Aubury, State Mineralogist by appointment of Hon. Henry 
 T. Gage, Governor of California. 
 
 The Mining Bureau is supported by Legislative appro- 
 priations, and in some degree performs work similar to that 
 of the geological surveys of other States; but its purposes 
 andfunctionsare mainly practical, the scientific work being 
 clearly subordinate to the economic phases of the mineral 
 field as shown by the organic law governing the Bureau, 
 which is as follows : 
 
 It shall be the duty of said State Mineralogist to make, facil- 
 itate, and encourage special studies of the mineral resources and 
 mineral industries of the State. It shall be his duty to collect 
 statistics concerning the occurrence of the economically impor- 
 tant minerals and the methods pursued in making their valuable 
 constituents available for commercial use; to make a collection 
 of typical geological and mineralogical specimens, especially 
 those of economic or commercial importance, such collection con- 
 stituting the Museum of the State Mining Bureau; to provide a 
 library of books, reports, drawings bearing upon the mineral in- 
 dustries, the sciences of mineralogy and geology, and the arts of 
 mining and metallurgy, such library constituting the Library of 
 the State Mining Bureau; to make a collection of models, draw- 
 ings, and descriptions of the mechanical appliances used in min- 
 ing and metallurgical processes ; to preserve and so maintain such 
 collections and library as to make them available for reference 
 and examination and open to public inspection at reasonable 
 hours; to maintain, in effect, a bureau of information concerning 
 the mineral industries of this State, to consist of such collections 
 and library, and to arrange, classify, catalogue, and index the 
 data therein contained, in a manner to make the information 
 available to those desiring it, and to provide a custodian specially 
 qualified to promote this purpose; to make a biennial report to 
 the Board of Trustees of the Mining Bureau, setting forth the 
 important results of his work, and to issue from time to time 
 such bulletins as he may deem advisable concerning the statistics 
 and technology of the mineral industries of this State. 
 
The California State Mining Bureau, Ferry Building, San Francisco 
 
THE BULLETINS. The field covered by the book, 
 issued under this title is shown in the list of publications 
 on page 59. Each bulletin deals with only one phase of min- 
 ing. Many of them are elaborately illustrated with engrav' 
 ings and maps. A nominal price only is asked in order 
 that those who need them most may obtain a copy. 
 
 THE EEGISTERS OF MINES form practically both 
 a State and County directory of the mines of California, 
 each County being represented in a separate pamphlet. 
 Those who wish to learn the essential facts about any par- 
 ticular mine are referred to them. The facts and figures 
 are given in tabular form , and are accompanied by a topo- 
 graphical map of the county on a large scale, showing 
 location, towns, railroads, roads, etc. 
 
 HOME OF THE BUREAU. The Mining Bureau oc- 
 cupies the north half of the third floor of the Ferry Build- 
 ing. Visitors and residents are invited to inspect the 
 Museum, Library and other rooms of tlie Bureau and 
 gain a personal knowledge of its operations. 
 
 1 * 
 
 THE MUSEUM. The museum now contains nearly 
 
 16,000 specimens carefully labeled and attractively ar- 
 ranged in show cases in a great, well-lighted hall, where they 
 
 can be easily studied. The collection of ores from Califor- 
 nia mines is, of course, very extensive and is supplemented 
 by many cases of characteristic ores from the principal 
 mining districts of the world. The educational value of 
 the exhibit is maintained by substituting the best specimens 
 obtainable for those of less value. 
 
 These mineral collections are not only interesting, beau- 
 tiful, and in every way attractive to the sightseers of all 
 classes, but they are educational. They show manufactur- 
 ers, miners, capitalists and others the character and quality 
 of the economic minerals of the State and where they are 
 found. Plans have been formulated to extend the useful- 
 ness of the exhibit by special collections, such as one show- 
 ing the chemical composition of minerals ; another showing 
 the mineralogical composition oi the sedimentary, meta- 
 morphic, and igneous rocks of the State, the petroleum- 
 bearing formations, ore bodies and their country rocks, 
 etc. 
 
 Besides the mineral specimens there are many models, 
 maps, photographs, and diagrams illustrating the modern 
 practice of mining, milling, and concentrating, and the 
 technology of the mineral industries. An educational se- 
 ries for high schools is being inaugurated, and new plans 
 are being formulated that will make it even more useful 
 in the future than in the past. Its popularity is shown by 
 the fact that over 58,000 visitors registered last year, while 
 many failed to leave any record of their visit. 
 
ViKw OF THE Museum of the State Mining Bureau 
 
THE LIBRARY. This is the mining reference library 
 of the State, constantly consulted by mining men, and con- 
 tains between four and five thousand volumes of selected 
 works in addition to the numerous publications of the Bu- 
 reau itself. On its shelves will be found the reports on 
 geology, mineralogy, mining, etc., published by states, gov- 
 ernments and individuals; technical works relating to all 
 branches of mining and metallurgy; the reports of scientific 
 societies at home and abroad; encyclopaedias; scientific 
 papers and magazines; mining publications; and the cur- 
 rent literature of mining ever needed in a reference library. 
 
 Manufacturers' catalogues of mining and milling ma- 
 chinery by California firms are kept on file. The Registers 
 of Mines form an up-to-date directory for investor and 
 manufacturer. The photographs, maps, and information 
 constantly brought in by the Field Assistants give data 
 for newspaper and magazine writers that is daily used and 
 appreciated. 
 
 The Bureau is one of general information, where visitors 
 from all parts of the world are ever coming and seeking in- 
 formation about all parts of California. This little pam- 
 phlet has been, in fact, compiled to answer some of the 
 questions most frequently asked. More specific questions 
 are answered in the Bulletins or Register, or by application 
 to the State Mineralogist. 
 
 READING ROOM. This is a part of the Library De- 
 partment, and is supplied with over 100 current publica- 
 tions. Visitors will find here the various California papers 
 and the leading mining journals from all over the world. 
 
 THE LIBRARY AND READING ROOM IS OPEN 
 TO THE PUBLIC FROM 9 a. m. to 5 p. m., DAILY, ex- 
 cept Sundays and holidays. 
 
 THE LABORATORY. This department identifies for 
 the prospector the minerals he finds, and tells him the na- 
 ture of the wall rocks or dykes he may encounter in hit* 
 workings; but this department does not do assaying or com- 
 pete with private assayers. The presence of rare metals is 
 determined, but not the percentage present. No charges 
 are ma'de for this service to any resident of the State. 
 
 There is a constant stream of samples coming in from 
 prospectors all over the State, amounting to over 1,000 
 packages a year that are sent in, while fully as many more 
 are brought in personally. Many of the inquiries made of 
 this department have brought capital to the development of 
 new districts. Many technical questions have been asked and 
 answered as to the best chemical and mechanical processes 
 of handling ores and raw material. The laboratory is 
 
Thk Library of the State Mining Bureau 
 
well equipped. The demands made upon this de- 
 partment have been such that specialists in lithology 
 ;and microscopy may be added to it. 
 
 THE DEAUGHTING BOOM. In this room are pre- 
 pared scores of maps, from the small ones filling a part 
 only of a page, to the largest County and State maps, and 
 ithe numerous illustrations, other than photographs, that 
 are constantly being required for the Bulletins and Reg- 
 isters of Mines. In this room, also, will be found a very 
 ■complete collection of maps of all kinds relating to the 
 industries of the State, and one of the important duties of 
 the department is to make such additions and corrections 
 as will keep the maps up to date. One inquires here if they 
 [wish to know about the geology or topography of any dis- 
 j trict ; about the location of the new camps, or position of 
 I old abandoned ones; about railroads, stage roads, and 
 i trails; or about the working drawings of anything connec- 
 • ted with mining. 
 
 MINERAL STATISTICS. One of the features of the 
 mining industry is its mineral statistics. Their annual 
 compilation by the State Mining Bureau began in 1893, 
 No other State in the Union attempts so elaborate a record, 
 expends so much labor and money on its compilation, or 
 secures so accurate a one. 
 
 The State Mining Bureau keeps a careful, up-to-date and 
 reliable, but confidential, register of every producing mine, 
 mine owner and mineral industry in the State. From them 
 are secured, under pledge of secrecy, reports of output, etc., 
 and all other available sources of information are used in 
 checking, verifying and supplementing the information so 
 gained. 
 
 The information is published in an a^-.^ual, tabulated, 
 statistical, single-sheet bulletin showing the amounts and 
 values of mineral productions by both substances and 
 counties. 
 
 10 
 
The Draughting Room 
 
 11 
 
STATISTICAL REPORT 
 
 CALIFORNIA STATE 
 
 MINING BUIa^EAU; 
 
 LEWIS E. AUBUKV, Sta.tk Mineraixxjist. 
 
 SHOWING THE MINERAL PRODUCTIONS OF CALIFORNIA FOR 14 YEARS. 
 
 » C(lAnt.ES O YALB. HTiT.M 
 
 )UCTS 
 
 1887 
 
 . 1888 
 
 1889 
 
 1890 
 
 1891 
 
 1892 
 
 1893 
 
 1894 
 
 1895 
 
 1896 
 
 1897 
 
 1898 
 
 1899 
 
 1900 
 
 rOTALS FDP 
 
 (4 YEARS 
 
 PRODUCTS 
 
 
 QUA>fnTir 
 
 VA1.CB 
 
 qUANTITT 
 
 VMBE 
 
 quAimTV 
 
 V4LUX 
 
 QUAWTTTY 
 
 VALUE 
 
 QUANTtTY 
 
 VAiua 
 
 auAimTY 
 
 VAUIE 
 
 qiwrnnr 
 
 VAUJI 
 
 gWAWTTTY 
 
 VALV,. 
 
 quAWTtrv" 
 
 VALUE 
 
 QummrT 
 
 VALUE 
 
 IIU4NTITY 
 
 VAim 
 
 qUANTTTY 
 
 VALVE 
 
 ouumrr 
 
 VALUE 
 
 QUANTtTY 
 
 VMA/E 
 
 aiMNTirr 
 
 VALUE 
 
 Tons 
 
 7J 
 
 X 
 
 4DM 
 WOOO 
 
 •'MOO 
 
 16.000 
 I6Q0O3 
 
 WOO 
 UO«oaa 
 
 •rawc 
 
 IMC 
 3430C 
 
 •e6»M 
 
 1 
 
 apoo 
 
 tMUM 
 
 laoc 
 
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 174001 
 
 ••S.4fj 
 
 3000 
 40000 
 
 •4«0 
 9Q001 
 
 ■eopw 
 
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 4000 
 
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 ViaooQ 
 
 'UXW 
 
 K136( 
 
 3o 
 
 7550 
 
 B4J300 
 
 1 ■060493 
 
 5,000 
 
 ■joo 
 
 7M00 
 
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 105900 
 
 7i;rU3 
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 • s.?s< ISO 
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 >6>.MC MMO 
 ■9^,034 31.714 
 9*4»Z -VMOOM 
 
 .:. 4O0O 
 
 40.70S 3,660 
 0OI.7SO SI^7S 
 &^?64 i«'i 
 >6t335 3M67 
 
 ackoct 
 
 e3-1600 
 
 607,807 
 39W0 
 3^073 
 
 34921 
 
 H9'4001 
 
 1.740 
 
 15J,77I 
 
 »Mse 
 
 ipoo 
 '■•os-oc 
 
 ■11,366 
 
 sa&eoo 
 
 ifclM 
 67«60 
 
 lOVOO 
 ZI.B01 
 
 " 
 
 •t»«. 
 
 •lso< 
 
 E5690 
 
 4609< 
 
 1460QDOO 
 
 SOOM 
 
 • 1.200 
 
 2« 
 
 402,175 
 
 ■.■33«X 
 
 ■50OO0 
 
 50 
 
 O060 
 
 4(J37 
 
 40,7 14^00* 
 
 6QO0( 
 
 •i3*>0 
 
 73( 
 
 MftlSO 
 
 neoei 
 
 1.134601 
 
 TO 
 
 2330* 
 
 51,674,000 
 
 SVOi 
 
 V.O 
 
 i57,l(.l 
 
 llfi.BSO 
 
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 13^2 
 
 • 3,700 
 
 10 1323') 
 6cwse 
 
 4t44M2 
 4730 
 
 ■seswB 
 
 M4772 
 
 ■ooae 
 
 6>0 
 
 472 
 
 167960 
 539,486 
 202£30,000 
 22X663 
 22;636 
 «02P30 
 a 11,675 
 
 i.4o<u»e 
 ioi;j3ia96 
 
 1,1 20 
 
 37,2(9 
 
 145 
 
 430 
 
 6.906 
 
 564 
 a»25,3S2 
 
 iai4i 
 
 7309 
 
 3M6 
 I2/We,4a6 
 
 • 7L460 
 
 2,607.745 
 
 1,977.819 
 
 8476.209 
 
 629.406 
 
 SOtflOO 
 
 5.2S05I7 
 
 655,l» 
 
 *667.776 
 
 14 166555 
 
 16^130 
 
 197,001,315 
 
 7,565,900 
 
 322.346 
 
 5.575 
 
 SflOO 
 
 5Z3647 
 
 4,775^957 
 
 iSAOO 
 
 302Z.I6I 
 
 iaB.7Z9 
 
 6:kMI 
 
 66fi|65Z 
 
 «i«o 
 
 5,Z7e(42S 
 774566 
 91,400 
 51.636 
 '».4(4,7oe 
 IB.30I 
 
 10,000 
 
 I6«31235 
 
 2.797,706 
 
 ■.aS9,20O 
 
 ■4,000 
 
 i.7oa 
 
 (>e2.M9 
 
 .■;500 
 
 Aniimony. Tons • 
 
 Asb€5lo3 -Tons 
 
 Aspholt Tons 
 
 Birunii(X)it5 Rock .Tone 
 
 Borax Lbo 
 
 Cement Bblo 
 
 Chrome _ -Tons 
 
 ciov-ftnck.. v; 
 
 Clay-Potrery.Tons 
 
 Cool Tons 
 
 Copper Lbs 
 
 Fullers Eo'Th Tons 
 
 Gold 
 
 Gronire-. . _ CuFf. 
 
 Gypoum . Tons 
 
 Infusonol EorJh , .Tons 
 
 Iron Ort^ „, .Tons 
 
 Leod_ Tons 
 
 Limeona Limestone 
 LlThio Mica _ . - .Tons 
 
 Mocadom .■ _Tc>nj 
 
 Moqneaite Ton' 
 
 Mooqonese Tons 
 
 Morble Cu.Ft 
 
 Wme<-at rtjlnt_..Ton3 
 
 Mineral Worer,.OCila 
 
 NaturolGos CuFl. 
 
 Onr'cnl Tn)»«fline 
 
 Povinp Blocks. , M 
 
 Petfolcum BbIs 
 
 Plarinum Ojis 
 
 Pv-iteol Tons 
 
 Quorli Cryalals ■ 
 
 Ou.cKs^lv«r FtosKs 
 
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 Soil--' Tons 
 
 Sond-Olgss. , -Tons 
 Sond-Ouorti'. . Jons 
 
 ■SondsJooe Cu.Fl. 
 
 Serpentine Cu.Ft. 
 
 
 tO»'4 
 
 4gi4M 
 
 ■3300000 
 
 A300 
 
 24000 
 
 41,907 
 
 1.9«B« 
 
 3««« 
 
 .77,300 
 t>7S400 
 
 24730 
 
 3i4.74< 
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 ' 161.336 
 
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 4O4S30 
 
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 ■ 24113 
 
 i,o6ooo< 
 
 66000 
 
 
 
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 vn 
 
 4aD0( 
 
 1300 
 
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 WOO 
 
 
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 1.37? 
 
 
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 StAlM IOO,IOI 
 
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 31300 
 
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 37,300 
 
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 30000 
 
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 l«7»000 
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 I49n 476 
 
 301276 . , , 
 
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 2430C 
 
 337.079 
 
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 441.067 
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 104,461 
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 2240000 
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 6^000 
 
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 «7as77 
 
 100 
 
 (3SII44 
 
 MX 
 
 ZPM 
 
 ■oa.su 
 0001 
 
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 307,360 
 
 riwt 
 
 3U600 
 
 401,164 
 300 
 
 
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 3642 
 
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 3Q6O0 
 
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 •0100 
 
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 zrasst 
 
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 Z9M0C 
 
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 1,SS7,1S' 
 S«4»31 
 I3IU76 
 
 3Q76S 
 
 ■<ao>J 
 
 sntuo 56A1.1 
 
 .37,»« 0^71 
 
 11463! 
 
 ZJXX 
 
 34164 
 500 
 
 li40^0«S 763(7 
 547,o:S 41460< 
 
 t4936a e«»M 
 2OO0 tpoe 
 
 <SOc eoo 
 
 >0V«< 37«46( 
 
 ipot 33c 
 
 3040'! _ 
 
 5W0 3;»o 
 
 Tons 
 
 lose. ..Tons 
 
 ESon 
 
 M2«W 
 
 
 VlfiOK 
 
 ZUKK 
 
 6!WO« 
 
 0.72( 
 
 37009 
 
 
 OOSOJ 
 
 »as« 
 
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 ■ ■3a61 
 
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 39flt7a< 
 
 ft430 
 
 373 
 
 47300 
 
 KSee 
 
 r«»7| ^ 
 
 toe* tsoo 
 
 47246' - .' 
 
 Z90( 4O0 
 
 6406* 
 
 I30( 750 
 
 1.6a 40C 
 
 ioo< 
 
 414033 
 
 2*X 
 
 
 
 I6K«B 
 
 
 
 1700000 
 
 •^300 
 
 7S4;79« 
 ■ 4001 
 
 4000 
 
 1060613 
 MOM 
 
 4,000 
 
 •3.1137 
 
 ASOO 
 
 461601 
 
 4O0 
 
 S3V37 
 
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 707332 
 
 i 1,700 
 
 
 
 
 
 
 — 
 
 ---- 
 
 ---■ 
 
 ■■— - 
 
 iai25 
 
 6B«S0O 
 
 90 
 
 Saf64 
 
 BOO 
 
 Soapstone . .Tons 
 
 Soda _Tons 
 
 Sulphur , ,Tonrs 
 
 Tourmollne. 
 
 wTon. 
 
 
 
 
 
 ?aooc 
 
 1.900 
 
 •AOO 
 
 «400<1 WMc 
 
 ).O«0< 
 
 ..'"3 
 
 tftWOC 
 St 
 
 ■Qooe 
 
 isaoot ■,000 
 
 MOOO 
 
 . Torn 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 . Lbs 
 
 
 
 
 
 
 
 
 
 
 »7364 
 
 
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 900 
 
 ^e Lbs 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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 BiZ9*lM 
 
 
 3«l91«Mo| 
 
 13UM794S . 
 
 • Sll.667.707 
 
 -TOTALS 
 
 
 
The Laboratory 
 
 13 
 
DEL NORTE COUNTY. 
 
 POPULATION, 1900, 2,408; 1890, 2,592. AREA, 
 valuation, $2,048,444. The production of gold is about 
 platinum and manganese are undeveloped. The principal 
 
 1,200 Sq. M. County Seat, CRESCENT CITY. Assessed 
 $5,000 annually; asbestos, chromite, coal, copper, iron, 
 products are LUMBER and AGRICULTURAL. 
 
 SISKIYOU COUNTY. 
 
 POPULATION, 1900, 16,902; 1890, 12,163. AREA, 5,680 Sq. M. County Seat, YREKA. Assessed value, 
 
 $8,991,828. One Year's Product: GOLD, $951,397; MINERAL WATERS, $45,000; SILVER, $14,000. Total, 
 
 one year: $1,010,383; over 11 per cent total assessed values. 
 
 MINERALS : GOLD, SILVER, antimony, platinum, plumbago, iron, chromite, lead, coal, copper, marble, onyx, 
 limestone, mineral waters. 
 
 RANK OF THE COUNTIES AS MINERAL PRODUCERS FOR ONE YEAR. 
 
 1 Shasta $ 5,574,026 
 
 2 Los Angeles 2,155,198 
 
 3 San Bernardino . . . 1,965,143 
 
 4 Nevada 1.916,899 
 
 5 Calaveras 1,905,856 
 
 6 Kern 1,807,856 
 
 7 Tuolumne 1,659,258 
 
 8 Amador 1,479,009 
 
 9 Placer 1,128,882 
 
 10 Siskiyou 1,010,383 
 
 11 Mono 752,121 
 
 12 Trinity 698,689 
 
 13 Sierra 663,159 
 
 14 Alameda 639,771 
 
 15 Fresno 609,847 
 
 16 Santa Barbara .... 528,438 
 
 17 Butte 500,786 
 
 18 Santa Clara 497,386 
 
 19 Napa .... 
 
 20 Ventura . . 
 31 Inyo 
 
 22 El Dorado 
 
 23 San Diego 
 
 24 Plumas . . 
 
 25 Riverside . 
 
 26 Yuba .... 
 
 27 Madera . . 
 
 28 Sacramento 
 
 29 Orange . . . 
 
 30 San Benito 
 
 31 ^.xarin . . . . 
 
 32 Santa Cruz 
 
 33 Lake 
 
 34 Mariposa . . 
 
 35 Sonoma . . . 
 
 36 Contra Costa 
 
 493,100 
 476,161 
 430,58't 
 426.420 
 402,061 
 369,379 
 285,112 
 284,631 
 268.467 
 259,439 
 259,174 
 205,650 
 202,500 
 191,091 
 172,745 
 171,516 
 157,135 
 140,900 
 
 37 Humboldt 
 
 38 San Luis Obispo . . 
 
 39 San Francisco .... 
 
 40 San Joaquin 
 
 41 Solano 
 
 42 Tulare 
 
 43 Stanislaus 
 
 44 Lassen 
 
 45 Monterey 
 
 46 San Mateo 
 
 47 Colusa 
 
 48 Mendocino 
 
 49 Kings 
 
 50 Del Norte .... 
 
 51 Tehama 
 
 52 Yolo 
 
 Unapportioned 
 
 118,827 
 
 85.626 
 
 58,400 
 
 39,862 
 
 24,700 
 
 21,566 
 
 21,405 
 
 20,483 
 
 19,175 
 
 16,500 
 
 13,930 
 
 8,448 
 
 5,000 
 
 3,483 
 
 2,200 
 
 1,760 
 
 ,406,803 
 
 Total $32,622,945 
 
 14 
 
DEL NORTE AND SISKIYOU COUNTIES 
 
LASSEN COUNTY. 
 
 MODOC COUNTY. 
 
 POPULATION: 1900, 4,511; 1890, 4,239. AKEA, 
 4,465 Sq. M. County Seat, SUSANVILLE. Assessed 
 value, $3,499,650. 
 
 From $20,000 to $30,000 of minerals are produced an- 
 nually, principally gold ; coal, mica, and limestone are un- 
 developed. The main industry is stock-raising. 
 
 POPULATION: 1900, 5,076; 1890, 4,896. AREA, 
 2,190 Sq. M. County Seat, ALTURAS. Assessed value, 
 $3,003,805. 
 
 This County, situated in the extreme northeast corner 
 of the State, is mainly a stock-raising region ; the economic 
 minerals being undeveloped. Gold, silver, copper, salt, and 
 coal have been found. 
 
 Mineral claims worth locating are worth recording. In 
 looking up mines in this State see if the locations have been 
 recorded at the County Seat. 
 
 The Olmstead Diamond, from Placerville, El Dorado 
 County, weighed one and a quarter carats (5.6 grains) and 
 sold for $300. 
 
 DIAMONDS. 
 
 Over 200 authentic diamonds have been found in Cali- 
 fornia. The Moore Diamond from Cherokee, Butte Coun- 
 ty, weighed two and a quarter carats (9 grains). From 50 
 to 60 others have been found in the same locality. 
 
 DO SOME FIGURING. Take the mineral production 
 of some county, and the population, and see how much it 
 amounts to per capita. 
 
 Now how about the Agriculture, Horticulture, Viticul- 
 ture, and other "cultures" that are worth your while to in- 
 vestigate? 
 
 16 
 
MODOC AND LASSEN COUNTIES 
 
 t< a t^ A jf A/ 
 
 y J. y ^ S" 
 
 I 
 
SHASTA COUNTY. 
 
 POPULATION: 1900, 17,318; 1890, 12,133. AREA,3,960 Sq. M. Cou.ity Seat, REDDING. Assessed value, 
 *y,3G2,304. 
 
 One Year's Prod.: GOLD, $733,467; SILVER, $635,640; COPPER, $4,166,735; Chrome Iron, $1,400; Min- 
 eral Waters, $5,784; BRICK, $12,000; LIME, $17,850 ;Bui]ding stone, $1,150 ; talc mined and shipped. Total, one 
 year : $5,574,026 ; equals over 59i/^ per cent assessed value. 
 
 BANNER COUNTY IN COPPER, SILVER and CHROMITE. 
 
 TEHAMA COUNTY. 
 
 POPULATION: 1900, 10,996; 1890, 9,916. AREA, 2,988 Sq. M. County Seat, RED BLUFF. Assessed 
 value, $10,910,679. 
 
 Mainly agricultural; brick clays of excellent quality are abundant; mineral springs are numerous; chromite, lead, 
 onyx, Bulphur, and potter's clays have been found. 
 
 The picking up of a small nugget by James W. Marshall, on January 24, 1848, was one of the great historic events 
 of the world, as well as of America. Marshall found it inthe race of a crude pioneer sawmill, at Old Coloma, in El 
 Dorado County. The piece was lost, having been paid out for flour, but a cast or model of it has been preserved. 
 
 IS 
 
SHASTA AND TEHAMA COUNTIES 
 
 A2^yr?OD A/yss-1^7 
 
 
 \ 
 
 y 
 
 i 
 
 I 
 I 
 
 19 
 
HUMBOLDT COUNTY. 
 
 POPULATION: 1900, 27,104; 1890, 23,469. AREA, 3,570 Sq. M. County Seat, EUEEKA. Assessed value, 
 $18,099,949. 
 
 One Year's Prod.: GOLD, $109,444; MINERAL WATERS, $2,000; BRICK, $7,100. 
 MINERALS: GOLD, coal, copper, brick clays, potter's clay, marble, sandstone, MINERAL WATERS. 
 
 TRINITY COUNTY. 
 
 POPULATION: 1900, 4,383; 1890, 3,719. AREA, 3,000 Sq. M. County Seat, WEAVERVILLE. Assessed 
 value, $1,567,998. 
 
 One Year's Prod.: GOLD, $571,605; SILVER, $16,500; QUICKSILVER, $105,982; Granite, $4,535. Total, 
 one year: $698,689, or over 11 per cent assessed value. 
 
 Diamonds, platinum, iridium, and osmium have been found. 
 
 To tell you WHAT YOU WANT TO KNOW about the MINING INDUSTRIES OF THE STATE, is the object 
 of the California State Mining Bureau, and it is its business and pleasure to answer legitimate inquiries from any 
 source. 
 
 DO SOME FIGURING. Take the area in square miles of some of the counties, and the population and see how 
 many inhabitants there are per square mile. Then compare this with some county in the East. There is room 
 for YOU in this State. 
 
 20 
 
HUMBOLDT AND TRINITY COUNTIES 
 
 I 
 I 
 
 21 
 
California is All Right 
 
 (Prom Sunset, a magazine published by the Southern Pacific Railroad.) 
 
 The clever Statistician, who is one of the greatest figure- 
 heads I ever knew, dropped in last evening long enough to 
 announce that California was the largest as well as the 
 greatest State in the Union. With a good deal of satisfac- 
 tion at catching this remarkable man in an error, I replied 
 that it was plain enough that he had forgotten Texas. He 
 chuckled and said it was not only plain enough, but too 
 much plain in Texas that he had in mind; then, he mar- 
 shalled his facts in battle array with the peaks of the high 
 Sierras as generals, the mountain ridges as infantry col- 
 umns, and the deserts as a reserve. I maintained a discreet 
 silence on my kopje. 
 
 "Why," said he, rubbing his spectacles vigorously, so 
 that the gaze with which he transfixed me might be more 
 polished, "one would think you took California for a tennis 
 court. Is Texas fourteen thousand feet high? It doesn't 
 begin to rise to the occasion. Does it ever go below sea- 
 level ? It's no good at plucking drowned honor from a vasty 
 deep.. No, sir ; it is simply nice and level like a table cloth 
 spread at a Sunday school picnic in the woods. California 
 was not made that way ; Nature didn't mould this State in 
 beautiful lines with all the curves that delight the artist's 
 eye, and then as if petulantly dissatisfied with the result, 
 flatten it out smooth with a sweep of the hand as if it were 
 Kansas. Instead, she gathered together all the material 
 necessary to make a great State, a greater State in plane 
 area than any other in the Union ; and she crumpled it up 
 together east and west. No longer was it equilateral, but 
 narrow in proportion to its length. Then out of the ma- 
 terial the good dame fashioned the great valleys of the San 
 
 22 
 
 Joaquin and the Sacramento; and from the crumpled sur- 
 face to the east she built great mountain walls, ridge after 
 ridge, and minarets and white-topped domes ; and let loose, 
 in joyous moods to dance among them, clear streams of 
 laughing waters, and here and there made lofty precipices 
 for them to leap over. To the west, near the great Pacific, 
 she rounded out more mountains; and to the south and the 
 north artistically placed still other heights protecting val- 
 leys, so that anywhere in the wonderful State one need not 
 be bound by a narrow monotonous horizon, but could ascend 
 and see the beautiful country she had made. And then, 
 upon this lucky day for California, Nature's mood changed 
 a bit and to the mountains and hills came the dignity of the 
 greatest and oldest forests on the globe. And then, I guess, 
 maybe, she had a happy afterthought ; perhaps the forest of 
 evergreen made the land seem a little dark, for as a finish- 
 ing touch she gave ,it a tinge of gold and laved the whole 
 in endless sunshine." 
 
 I came down from my kopje not altogether gracefully. 
 
 "But Texas is a great State, you must admit," said I, on 
 the way down. 
 
 "Certainly," he responded, promptly, "it's one of the 
 finest countries I ever knew, but," he added, "I would pre- 
 fer it if it were neither so broad nor so long, but ruffled up 
 into mountains and valleys like our own." 
 
 I said nothing more, but I am now busily engaged in 
 figuring to determine if Texas were gathered into the com- 
 pass of California's limits, which then would be the great- 
 est State. I am hopeful of aid from some gentleman of 
 Texas. 
 
Rare Minerals 
 
 CALIFOENIA IS WORLD FAMOUS FOR THE FOLLOWING RARE MINERALS: 
 
 It is the greatest gold State of the Union, both in aggre- 
 gate yield, any single year's product and annual average. 
 The total yield has been $1,362,356,088 or an average 
 of $26,199,155 per annum for fifty-three consecutive years. 
 In 1852 the year's product was $81,294,700. 
 ■ It is UNIQUE in its production of NATURAL SODA. 
 
 NITER has been found but is not yet utilized. 
 
 It is the ONLY STATE producing LEPIDOLITE, or 
 Lithia Mica, which is shipped to Germany for Lithia salts. 
 
 It is the ONLY STATE mining the mineral 
 MAGNESITB. 
 
 It is the ONLY STATE producing CHROME IRON. 
 
 It is the ONLY PRODUCER OP PLATINUM, 
 IRIDIUM and OSMIUM in quantity. 
 
 With the exception of a portion of Nevada next to the 
 California line, it is the ONLY PRODUCER of BORAX, 
 furnishing the MAIN SUPPLY of the UNITED 
 STATES. 
 
 It furnishes ONE-FOURTH of the WORLD'S SUP- 
 PLY of QUICKSILVER and for over 50 years has been 
 the only quicksilver producer on the American continent, 
 
 except small amounts from Oregon and Texas. Total out- 
 put of quicksilver valued at $81,862,609. 
 
 It is STATE No. 4 in the production of PETROLEUM, 
 and the industry is but in its infancy. 
 
 It is fast becoming a GREAT COPPER STATE. 
 
 Alum, bauxite, bismuth and nickel await utilization. 
 
 It is a GREAT TURQUOISE PRODUCER. 
 
 CALIFORNIA TOURMALINES are attracting wide 
 attention among Eastern jewelers. 
 
 California produces ONYX of marvelous beauty; and 
 TRAVERTINE, rivaling that of Egypt. 
 
 Over 200 AUTHENTIC DIAMONDS have been found 
 in the State. 
 
 There is plenty of room for more mineral discoveries, 
 There are many millions of acres of STATE and GOV- 
 ERNMENT lands vacant, and RAILROAD lands unsold. 
 
 The mineral output of California is now INCREASING 
 AT THE RATE OF OVER TWO MILLIONS A YEAR. 
 
 23 
 
COLUSA COUNTY. 
 
 POPULATION": 1900, 14,640; 1890, 7,364. AREA,2,450 Sq. M. Coinity Seat, COLUSA. Assessed value, 
 $11,812,546. 
 
 The annual production of QUICKSILVER is about $1,500; of MINERAL WATERS, $13,000; salt, copper, 
 sulphur, and brick clays exist in quantity. AGRICULTURE, HORTICULTURE are main industries. 
 
 GLENN COUNTY. 
 
 POPULATION: 1900,5,150. AREA, 1,400 Sq. M. County Seat, WILLOW. The resources are mainly agricul- 
 tural. Some minerals, notably chromite, are known tocxist. Assessed value, $10,007,218. 
 
 LAKE COUNTY. 
 
 POPULATION: 1900, 6,017; 1890, 7,101. AREA,1,125 Sq. M. County Seat, LAKEPORT. Assessed value, 
 $3,178,460. 
 
 One Year's Prod.: QUICKSILVER, $127,345; MINERAL WATERS, $45,000. Total, one year: $172,745, or 
 over 5 per cent total assessed value. Serpentine, chromite, sulphur, alum, diatomaceous earth, undeveloped. 
 
 MENDOCINO COUNTY. 
 
 POPULATION: 1900, 20,405; 1890, 17,612. AREA, 3,816 Sq. M. County Scat, UKIAH. Assessed value, $10,- 
 660,254. 
 
 RESOURCES: MINERAL WATERS over $8,000 annually; BRICK, asphalt, bituminous rock, chromite, coal, 
 copper, mineral paint, dolomite, iron, platinum, talc, potter's claj^, limonite, ahalone shell. 
 
 24 
 
MENDOCINO, GLENN, LAKE AND COLUSA COUNTIES 
 
 ^/y"(*" 
 
BUTTE COUNTY. 
 
 POPULATION: 1900, 17,117; 1890, 17,939. AEEA, 1,764 Sq. M. County Seat, OROVILLE. Assessed value, 
 $13,879,046. 
 
 One Year's Prod.: GOLD, $485,589; SILVEE, $13,082; Mineral Waters, $1,515. 
 
 BANNER COUNTY IN MINERAL PAINTS. Total, one year, $500,786, over 3 per cent assessed value. 
 
 Quartz, placer, river-dredging, natural gas, electric power from waterfalls transmitted to other counties; ba- 
 salt, marble, chromite, iron, coal. Diamonds, zircon, and platinum have been found. 
 
 PLUMAS COUNTY. 
 
 POPULATION: 1900, 4,657; 1890, 4,933. AREA, 2,567 Sq. M. County Seat, QUINCY. Assessed value, 
 $2,093,004. 
 
 One Year's Prod.: GOLD, $365,210; Silver, $4,159. Total, one year, $369,379, or over 17 per cent assessed 
 value. > 
 
 Shipments of manganese began last year; gold, silver, manganese, copper, iron, mica, barite, marble, chromite, 
 lead, graphite, platinum, serpentine. 
 
 SOME NOTABLE CALIFORNIA GOLD NUGGETS. 
 
 Carson Hill, Calaveras Co., 2,340 ounces, $43,534, Columbia, Tuolumne Co., 360 oz., $6,500. 
 
 Sierra Buttes, Sierra Co., 1,596 oz., $17,654. Columbia, Tuolumne Co., 283 oz., $5,265. 
 
 French Ravine, Sierra Co., 532 oz., $10,000. French Ravine, Sierra Co., 263 oz., $4^893. 
 
 Columbia Tuolumne Co., 446 oz., $8,500. Groot's Ferry, Siskiyou Co., 131 oz., $2,437. 
 
 French Ravine, Sierra Co., 426 oz., $8,000. Campo Seeo, Calaveras Co., 93 oz., $1,760. 
 
 Sullivan's Creek, Tuolumne Co., 408 oz., $7,590. And a ri^iltitude of others from $100 to $1,000 in value. 
 
 26 
 
BUTrE AND PLUMAS COUNTIES 
 
 ■SHASTA 
 coi/Afry 
 
 
 27 
 
EL DORADO COUNTY. 
 
 I'OPITLATION: 1900, 8,986; 1890, 9,232. AREA, 
 1,790 Sq. M. County Seat, PLACERVILLE. Assessed 
 value, $4,039,566. 
 
 One Year's Prod.: GOLD, $368,541; SILVER, $25,- 
 159 ; Copper, $500. Total, one year, $426,420, or over 10 
 per cent of assessed value. 
 
 BANNER COUNTY IN SLATE. Gold, silver, cop- 
 per, lime, talc, roscoelite, iron, agalmatolite, ROOFING 
 SLATE, marble, chromite, pottery clays. Diamonds have 
 been found. 
 
 NEVADA COUNTY. 
 
 POPULATION: 1900, 17,789; 1890, 17,369. AREA, 
 1,000 Sq. M. County Seat, NEVADA CITY. Assessed 
 value, $7,076,340. 
 
 One Year's Prod.: GOLD, $1,812,036; SILVER, $66,- 
 841; COPPER, $30,472; Pyrites, $17,550. Total, one 
 year: $1,916,899, or over 27 per cent of assessed value. 
 
 BANNER COUNTY IN GOLD and PYRITES. HAS 
 PRODUCED OVER $216,000,000 IN GOLD SINCE 
 1848. Diamonds have been found. Mineral paint, bauxite, 
 granite, barite, marble, chromite, lead, iron, undeveloped. 
 
 PLACER COUNTY. 
 
 POPULATION: 1900, 15,786; 1890, 15,101. AREA, 
 1,492 Sq. M. County Seat, AUBURN. Assessed value, 
 $9,097,657. 
 28 
 
 One Year's Prod.: GOLD, $986,155; SILVER, $12,- 
 000; POTTERY, $15,000; GRANITE, $95,869; RUB- 
 BLE, $20,000. Total, one year, $1,128,882, or over 12 per 
 cent assessed value. Iron, onyx, marble, chromite, salt, 
 magnesite, serpentine, undeveloped. 
 
 SUTTER COUNTY. 
 
 POPULATION: 1900, 5,886; 1890, 5,469. AREA, 
 611 Sq. M. County Seat, YUBA CITY. Assessed value, 
 $6,364,459. 
 
 Resources, Agricultural. Coal has been found. 
 
 SIERRA COUNTY. 
 
 POPULATION: 1900, 4,017; 1890, 5,015. AREA, 
 1,025 Sq. M. County Seat, DOWNIEVILLE.' Assessed 
 value, $1,529,604. 
 
 One Year's Prod. : GOLD, $659,696; SILVER, $4,000. 
 Total, one year, $284,631, or over 5 per cent assessed value. 
 
 Clirome, copper, emor}', graphite undeveloped. 
 
 YUBA COUNTY. 
 
 POPULATION: 1900, 8,620; 1890, 9,636. AREA, 
 625 Sq; M. County Seat, MARYSVILLE. Assessed 
 value, $5,464,434. 
 
 One Year's Prod. : GOLD, $280,366 ; SILVER, $5,000. 
 Total, one year, $663,159, or over 43 per cent assessed value. 
 
 County largely agricultural. 
 
SUTTER, YUBA, SIERRA, NEVADA, PLACER AND EL DORADO COUNTIES 
 
 ^ Crajlon. 
 
 Cio/?t/ r-e'-aM^^. 
 
 
MARIN COUNTY. 
 
 POPULATION: 1900, 15,702; 1890, 13,072. AREA, 
 590 Sq. M. County Seat, SAN RAFAEL. Assessed 
 value, $12,108,904. 
 
 One Year's Prod.: BRICK, $300,000; Rubble, $2,500. 
 
 Copper, manganese, graphite, salt, talc, macadam, sand- 
 stone, serpentine, potter's clays. 
 
 NAPA COUNTY. 
 
 POPULATION: 1900 16,415; 1890, 16,411. AREA, 
 850 Sq. M. County Seat, NAPA. Assessed value, $11,- 
 765,301. 
 
 One Year's Prod. : QUICKSILVER, $403,500 ; MIN- 
 ERAL WATERS, $72,200; MAGNESITE, $17,400. 
 Total, one year, $493,100, or over 4 per cent of assessed 
 value. 
 
 BANNER COUNTY IN MINERAL WATERS. 
 
 Chromite, magnesite, mineral waters, quicksilver, talc, 
 alum, iron, potter's clays. 
 
 County Seat, NAPA. Assessed value, $11,765,301. 
 
 SOLANO COUNTY. 
 POPULATION: 1900, 24,143; 1890, 20,946. AREA, 
 
 911 Sq. M. County Seat, FAIRFIELD. Assessed value, 
 
 $17,524,117. 
 
 MINERALS WATERS, $4,000 annually; MACADAM, 
 $18,000 annually ; onyx, cement rock, granite, lime, traver- 
 tine, chromite. 
 
 SONOMA COUNTY. 
 
 POPULATION: 1900, 38,480; 1890, 32,721. AREA, 
 1,548 Sq. M. County Seat, SANTA ROSA. Assessed 
 value, $26,003,179. 
 
 One Year's Prod.: QUICKSILVER, $99,500; MIN- 
 ERAL WATERS, $35,000; PAVING BLOCKS, $20,000. 
 
 BANNER COUNTY IN PAVING BLOCKS. 
 
 Chromite, coal, granite, manganese, alum, graphite, iron, 
 pottery clays, limonite, opals, silicified woods. 
 
 YOLO COUNTY. 
 
 POPULATION: 1900, 13,618; 1890, 12,684. AREA, 
 972 Sq. M. County Seat, WOODLAND. Assessed value, 
 $16,034,346. 
 
 County agricultural. Sandstone quarried, $2,000 an- 
 nually. Asbestos has been found. 
 
 30 
 
SONOMA^^RIN. NAPA, YOLO AND SOLANO COUNTIES 
 
 31 
 
AMADOR COUNTY. 
 
 rOl'ULATION: 1900, 11,11G; 1890, 10,330. AREA, 
 5n8 Sq. M. County Seat, JACKSON. Assessed value, 
 $4,G41,489. 
 
 One Year's Trod. : GOLD, $1,373,788 ; SILVER, $15,- 
 000; COPPER, $34,100; COAL, $41,215 ; Pottery, $9,100; 
 MARBLE, $5,891. Total, one year, $1,479,009, or over 
 31 per cent of assessed value. 
 
 BANNER COUNTY IN MARBLE. Chromite, iron, 
 magnesite, coal, macadam, serpentine. Diamonds and 
 rutile have been found. 
 
 SACRAMENTO COUNTY. 
 
 POPULATION: 1900, 45,915; 1890, 40,339. AREA, 
 957 Sq. M. County Seat, SACRAMENTO. Assessed 
 value, $34,346,017. 
 
 One Year's Prod.: GOLD, $176,000; NATURAL GAS, 
 $11,750; BRICK, $53,400; Granite, $4,000; Macadam, 
 $14,157; granite, chromite, pottery clays. 
 
 CALAVERAS COUNTY. 
 
 POPULATION: 1900, 11,200; 1890, 8,882. AREA, 
 1,100 Sq. M. County Seat, SAN ANDREAS. Assessed 
 value, $5,434,379. 
 
 One Year's Prod. : GOLD, $1,649,126 ; SILVER, $80,- 
 762; COPPER, $150,585; MINERAL PAINT, $3,800; 
 QUARTZ CRYSTAL, $18,000; Pyrites, $3,583. Total, 
 one year, $1,905,856, or over 35 per cent of assessed value. 
 
 BANNER COUNTY' IN MINERAL PAINTS AND 
 (JUARTZ CRYSTALS. Asbestos, chromite, copper, 
 marble, tellurium, barite, lead, graphite, iron. 
 
 GEMS. Agate, garnet, epidote, jasper, opal, semi-opal, 
 gold quartz, QUARTZ, RUTILE. 
 
 SAN JOAQUIN COUNTY. 
 
 POPULATION: 1900, 35,452; 1890, 28,629. AREA, 
 1,620 Sq. M. County Seat, STOCKTON. Assessed value, 
 $32,023,372. 
 
 BANNER COUNTY IN NATURAL GAS, $20,000 
 annually; BRICK, $20,000. Resources mainly agricul- 
 tural. 
 
 32 
 
SACRAMENTO, SAN JOAQUIN, AMADOR AND CALAVERAS COUNTIES 
 
 j^cow^y iPi^Cf/r COUNTY * 
 
 rt DORADO COUNTY 
 
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 SAc^A/mefi/ro CO. 
 
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 CAtAV£/iAS CO. 
 
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ALAMEDA COUNTY. 
 
 POPULATION: 1900, 130,197; 1890, 93,864. AREA, 
 704 Sq. M. County Seat, OAKLAND. Assessed value, 
 $89,771,005. 
 
 One Year's Prod.: MANGANESE, $1,300; COAL, 
 $332,066; SALT, $158,674; BRICK, $40,000; MAC- 
 ADAM, $107,551 ; Magnesite, $200. 
 
 BANNER COUNTY IN SALT, MANGANESE, AND 
 COAL. Chromite and iron undeveloped. 
 
 CONTRA COSTA COUNTY. 
 
 POPULATION: 1900, 18,046; 1890, 13,515. AREA, 
 810 Sq. M. County Seat, MARTINEZ. Assessed value, 
 $17,079,931. 
 
 COAL, $145,000 annually; MINERAL WATERS, 
 $2,000 annually; Copper, potter's clays, hyalite, obsidian, 
 opal. 
 
 Resources largely agricultural. 
 
 SAN FRANCISCO CITY AND COUNTY. 
 
 POPULATION: 1900, 342,782; 1890, 298,997. AREA, 
 42 Sq. M. Assessed value, $413,388,420. 
 
 RUBBLE, $57,000 annually; Macadam, about $2,000. 
 
 HEADQUARTERS FOR MINING SUPPLIES. Be 
 sure and visit the MINING BUREAU in the Ferry Build- 
 ing. 
 
 SAN MATEO COUNTY. 
 
 POPULATION: 1900, 12,094; 1890, 10,087. AREA, 
 460 Sq. M. County Seat, REDWOOD CITY. Assessed 
 value, $14,484,957. 
 
 BRICK, $9,000; Macadam, $7,500 annually; sandstone, 
 chromite, syenite, diatomaceous earth, moss agate, jasper, 
 basanite. 
 
 SANTA CLARA COUNTY. 
 
 POPULATION: 1900, 60,216; 1890, 48,005. AREA, 
 435 Sq. M. County Seat, SANTA CRUZ. Assessed 
 $51,920,963. 
 
 One Year's Prod. : QUICKSILVER, $241,073 ; MIN- 
 ERAL WATERS, $8,060; Magnesite, $253; BRICK, 
 $136,000; Pottery, $6,000; Building stone, $6,000; 
 SANDSTONE, $100,000. Bituminous rock, chrome, 
 macadam, manganese, copper, salt. 
 
 BANNER COUNTY IN QUICKSILVER AND 
 SANDSTONE. 
 
 SANTA CRUZ COUNTY. 
 
 POPULATION: 1900, 21,512; 1890, 19,270. AREA, 
 435 Sq. M. County Seat, SANTA CKUZ. Assessed 
 value, $11,222,967. 
 
 One Year's Prod.; BITUMINOUS ROCK, $58,590; 
 LIME, $131,288. 
 
 BANNER COUNTY IN BITUMINOUS ROCK AND 
 LIME. Cement rock, zinc, potter's clay, glass sand, chro- 
 mite, macadam, magnesite, manganese, copper, salt, marble. 
 
 34 
 
SAN FRANCISCO, SAN MATEO, CONTRA COSTA, ALAMEDA, SANTA CLARA 
 
 AND SANTA CRUZ COUNTIES 
 
 •^ 
 
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MARIPOSA COUNTY. 
 
 POPULATION: 1900,4,720; 1890,3,787. AREA, 1,570 Sq. M. County Seat, MARIPOSA. Assessed value, 
 $2,096,587. 
 
 One Year's Prod.: GOLD, $157,633; SILVER, $14,000. Total, one year, $171,516, or over 8 per cent of as- 
 sessed value. Asbestos, marble, iron, granite, serpGntine,limestonc, copper, lead, magnesite, talc. 
 
 GEMS : Andalusite, chiastolite, epidote, Jasper, gold quartz. 
 
 MERCED COUNTY. 
 
 POPULATION: 1900, 9,215; 1890, 8,085. AREA, 1,750 Sq. M. County Seat, MERCED. Assessed value, 
 $13,657,777. • 
 
 This county is wholly given over to agriculture. Coal has been found. 
 
 STANISLAUS COUNTY. 
 
 POPULATION : 1900, 9,550 ; 1890, 10,040. AREA, 1,486 Sq. M. County Seat, MODESTO. Assessed value, 
 $12,037,410. 
 
 GOLD, $20,000 annually; Mineral paint, $200; iron, gypsum. Resources largely agricultural. 
 
 TUOLUMNE COUNTY. 
 
 POPULATION: 1900, 11,166; 1890, 6,082. AREA, 3,032 Sq. M. County Seat, SONORA. Assessed value, $6,- 
 424,670. 
 
 One Year's Prod. : GOLD, $1,596,891; SILVER, $62,367. Total, one year, $l,i;59,258, or over 25 per cent of as- 
 sessed value. 
 , . Copper, chromite, iron, marble, tin, tellurides, lead, graphite, magnesite, talc. 
 
 36 
 
 i 
 
STANISLAUS, MERCED, TUOLUMNE AND MARIPOSA COUNTIES 
 
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ALPINE COUNTY. 
 
 POPULATION: 1900, 509; 1890, 667. AEEA, 555 Sq. M. County Seat, MARKLEEVILLE. Assessed value, 
 $300,838. 
 
 Alum, iron, graphite, and barito have been found. 
 
 This county, located among the heights of the Sierra Nevada Mountains, has been but little developed, although 
 known to be rich in minerals. 
 
 INYO COUNTY. 
 
 POPULATION: 1900, 4,377; 1890, 3,544. AEEA, 10,020 Sq. M. County Seat, INDEPENDENCE. As- 
 sessed value, $1,885,336. 
 
 OneYear'sProd.:GOLD,$214,000;SILVEE, $114,000; Antimony, $700; LEAD, $38,840; BORAX, $13,900; 
 SODA, $50,000 ; SALT, $5,000. Total, one year, $420,586, or over 22 per cent of assessed value. 
 
 BANNEE COUNTY IN SODA AND LEAD. 
 
 Asbestos, marble, barite, bismutite, copper, iron, potter's clay. 
 
 GEMS : Chrysocolla, datolite, fluorite, garnet, grossularite, lepidolite, obsidian, quartz. 
 
 MONO COUNTY. 
 
 POPULATION: 1900, 2,167; 1890, 2,003. AEEA, 2,190 Sq. M. County Seat, BRIDGEPORT. Assessed 
 value, $1,137,276. 
 
 One Year's Prod.: GOLD, $670,200; SILVER, $76,000; Lead, $2,000; Lime, $4,000. Total, one year, $752,- 
 121, or over 66 per cent of assessed value. 
 
 TRAVERTINE rivaling that of Egypt has been shipped from this county to England. Antimony, soda, salt, borax, 
 lime, limestone. 
 
 38 
 
ALPINE, MONO ANL INYO COUNTIES 
 
 39 
 
MONTEREY COUNTY. 
 
 POPULATION: 1900, 19,380; 1890, 18,637. AREA, 
 3,600 Sq. M. County Seat, SALINAS. Assessed value, 
 $18,016,456. 
 
 PRODUCTION: MINERAL WATERS, $4,000 ; Brick, 
 $2,000; STONE, $11,000; Rubble, $2,800 annually. An- 
 timony, asphalt, bituminous rock, coal, marble, chromite, 
 magnesite, potter's clay. 
 
 GEMS: Garnet, jasper, PEARLS, ABALONB, por- 
 phyry. 
 
 FINENESS OF CALIFORNIA GOLD- 
 
 Amador County 836 $17 28 
 
 Butte 878 18 14 
 
 Calaveras 835 17 26 
 
 El Dorado 868 17 94 
 
 Fresno 805 16 64 
 
 Humboldt 688 14 22 
 
 Inyo 770 15 91 
 
 Kern 754 15 58 
 
 Lassen 890 18 39 
 
 Los Angeles 789 16 31 
 
 Madera 847 17 50 
 
 Mariposa 805 16 64 
 
 Merced 813 16 80 
 
 Mono 550 11 36 
 
 Nevada County 855 $17 67 
 
 Placer 792 16 37 
 
 40 
 
 SAN BENITO COUNTY. 
 
 POPULATION: 1900, 6,633; 1890, 6,412. AREA, 
 1,000 Sq. M. County Seat, HOLLISTER. Assessed 
 value, $6,018,740. 
 
 One Year's Prod.: QUICKSILVER, $180,000; MIN- 
 ERAL WATERS, $3,750; Lime, $8,800; Macadam., $13,- 
 000. Total, one year, $205,650, or over 3 per cent of as- 
 sessed value. 
 
 Antimony, bituminous rock, coal, gypsum, building 
 stone. 
 
 FINENESS OF CALIFORNIA GOLD— By Hon. F. 
 A. Leach, Supt. U. S. Mint, San Francisco. 
 
 ■By Hon. F. A. Leach, Supt. U. S. Mint, S. F. 
 
 Plumas 851 17 59 
 
 Sacramento 898 18 56 
 
 San Bernardino 705 14 57 
 
 San Diego 803 16 59 
 
 Shasta 845 17 46 
 
 Sierra 858 17 23 
 
 Siskiyou 852 17 61 
 
 Stanislaus 895 18 50 
 
 Tehama .882 18 23 
 
 Trinity 850. 17 57 
 
 Tuolumne 804 16 62 
 
 Yuba 881 18 21 
 
 Average fineness, 817.8 ; average value per ounce, $16.90. 
 
 Many mines produce gold of higher grade than any of 
 the averages. 
 
MONTEREY AND SAN BENITO COUNTIES 
 
 41 
 
FEESNO COUNTY. 
 
 POPULATION: 1900, 37,8G2; 1890, 32,026. AREA, 5,940 Sq. M. County Seat, FRESNO. Assessed value, 
 $30,770,729. 
 
 One Year's Prod.: GOLD, $22,000; MINERAL WATERS, $4,000; BRICK, $35,062; PETROLEUM, 
 $547,960. Total, one year, $609,847, or nearly 2 per cent of assessed value. 
 
 Chrome, coal, copper, iron, gypsum, granite, graphite. GEMS: Chalcedony, chiastolite, garnet, jasper, semi- 
 
 opal, turquoise. The main products of the county are AGRICULTURAL, there being over 300 MILES of 
 MAIN CANAL, and over 1,000 miles of branch irrigating canals. 
 
 MADERA COUNTY. 
 
 POPULATION: 1900, 6,364. AREA, 2,140 Sq. M. County Seat, MADERA. Assessed value, $6,289,942. 
 One Year's Prod. : GOLD, $104,134; SILVER, $4,000; COPPER, $77,500; Brick, $3,000; GRANITE, $80,000. 
 Total, one year, $268,467, or over 4 per cent of assessed value. 
 
 BANNER COUNTY IN GRANITE. Marble of fine quality awaits development. 
 
 California petroleum is "fresh made" compared with the petroleum of the Eastern field and most other fields of the 
 world. Pennsylvania petroleum comes from Silurian, Devonian and Carboniferous strata which were laid when 
 the globe was young, while California's hydrocarbons were distilled, relatively speaking, but a week ago last Tues- 
 day, and comes from Tertiary sandstones and shales, laid but a few million years ago. 
 
 42 
 
MADERA AND FRESNO COUNTIES 
 
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 43 
 
SAN LUIS OBISPO COUNTY. 
 
 POPULATION: 1900, 16,637; 1890, 16,072. AREA, 3,258 Sq. M. County Seat, SAN LUIS OBISPO. As- 
 sessed value, $12,313,984. 
 
 One Year's Prod.: QUICKSILVER, $23,886; BITUMINOUS ROCK, $13,000; Brick, $4,000; RUBBLE, 
 $45,000. 
 
 Mineral Springs, gold, silver, iron, chromite, copper, manganese, gypsum, lime, asphalt, bituminous rock, ala- 
 baster, ONYX, kaolin, travertine, building stone, PETROLEUM, magnesite. 
 
 GEMS : Agalmatolite, aragonite, jasper, selenite, spinel, PEARLS. 
 
 1848 $ 245,301 
 
 1849 10,151,360 
 
 1850 41,273,106 
 
 1851 75,938,232 
 
 1852 81,294,700 
 
 1853 67,613,487 
 
 1854 69,433,931 
 
 1855 55,485,395 
 
 1856 57,509,411 
 
 1857 43,628,172 
 
 1858 46,591,140 
 
 1859 45,846.599 
 
 1860 44,095,163 
 
 1861 41,884,995 
 
 1862 38,854,668 
 
 1863 23,501,736 
 
 1864 24,071,423 
 
 1865 17,930,858 
 
 1866 17,123,867 
 
 CALIFORNIA'S GOLD RECORD. 
 
 1867 18,265,452' 
 
 1868 17,555,867 
 
 1869 18,229,044 
 
 1870 17,458,133 
 
 1871 17,477,885 
 
 1872 15,482,194 
 
 1873 15,019,210 
 
 1874 17,264,836 
 
 1875 16,876,009 
 
 1876 15,610,723 
 
 1877 16,501,268 
 
 1878 18,839,141 
 
 1879 19,626,654 
 
 1880 20,030,761 
 
 1881 19,223,155 
 
 1882 17,146,416 
 
 1883 24,316,873 
 
 1884 13,600.000 
 
 1885 12,661,044 
 
 1886 14,716,506 
 
 1887 13,588,614 
 
 1888 12,750,000 
 
 1889 11,212,913 
 
 1890 12,309,793 
 
 1891 12,728,869 
 
 1892 12,571,900 
 
 1893 12,422,811 
 
 1894 13,923,281 
 
 1895 15,334,317 
 
 1896.... 17,181,562 
 
 1897 ;.... 15,871,401 
 
 1898 1.5,906,478 
 
 1899 15,336,031 
 
 1900 15,863,355 
 
 Total $1,345,376,044 
 
 44 
 
SAN LUIS OBISPO COUNTY 
 
 
 
 
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 45 
 
KERN COUNTY. 
 
 POPULATION: 1900, 16,480; 1890, 9,808. AREA, 7,971 Sq. M. County Seat, BAKERSFIELI). Assessed 
 value, $21,129,890. 
 
 One Year's Prod.: GOLD, $805,252; SILVER, $147,736; PETROLEUM, $827,348; ASPHALTUM; $14,000; 
 BRICK, $17,300; LIME, $51,700. Total, one year, $1,867,856, or over 8 per cent of assessed value. 
 
 Sulphur, antimony, coal, mica, SAT/P, BORAX, ONYX, MARBLE and graphite. 
 
 KINGS COUNTY. 
 
 POPULATION : 1900, 9,871. AREA, 1,257 Sq. M. County Seat, HANFORD. Assessed value, $7,565,903. 
 ■ BRICK, $5,000 annually; coal, petroleum, asphalt, gypsum. 
 BANNER COUNTY IN FULLERS EARTH. Main resources are agricultural. 
 
 TULARE COUNTY. 
 
 POPULATION: 1900, 18,375; 1890, 24,574. AREA, 5,592 Sq. M. County Seat, VISALIA. Assessed value, 
 $15,794,307. 
 
 One Year's Prod.: GOLD, $10,000; MAGNESITE, $1,500; BRICK, $6,100; GRANITE, $3,000; Gypsum, 
 $100. 
 
 Copper, petroleum, mineral springs, antimony, asbestos, marble, chromite. 
 
 GEMS: Moss agate, chrysoprase, garnet, semi-opal. 
 
 46 
 
KINGS, TULARE AND KERN COUNTIES 
 
 47 
 
SAN BERNARDINO COUNTY. 
 
 POPULATION: 1900, 27,929; 1890, 25,497. AREA, 24,000 Sq. M. County Seat, SAN BERNARDINO. As- 
 sessed value, $16,416,149. 
 
 One Year's Prod.: GOLD, $247,949; SILVER, $172,759; COPPER, $297,600; Lead, $500; BORAX, refined, 
 $151,135 ; crude, $848,315 ; TURQUOISE, $20,000 ; CEMENT, $121,000 ; Granite, $5,600 ; LIME, $33,260 ; Stone, 
 $8,000; Macadam, $15,000; RUBBLE, $42,657; Paving Blocks, $2,500. Total, one year, $1,965,143, or over 11 per 
 cent of assessed value. 
 
 TIN, asbestos, MARBLE, Fullers earth, mica, NITER, SALT, SODA, apatite, potters' clays, iron, ONYX. 
 
 GEMS : Aragonite, azurite, chalcedony, hematite, jasper, obsidian, ONYX, selenite, TURQUOISE. 
 
 BANNER COUNTY IN BORAX, TURQUOISE, AND CEMENT. 
 
 48 
 
SAN BERNARDINO COUNTY 
 
 COU fJT Y 
 
SANTA BARBARA COUNTY. 
 
 POPULATION: 1900, 18,934; 1890, 15,754. AREA, 2,380 Sq. M. County Seat, SANTA BARBARA. Assessed 
 value, $13,909,868. 
 
 One Year's Prod.: Gold, $5,000 to $8,000; MINERAL WATERS, $10,350; Natural Gas, $3,000; ASPHALTUM, 
 $105,500; PETROLEUM, $165,000; BRICK, $41,000; Granite, $3,500; SANDSTONE, $117,260; RUBBLE, 
 $80,000. Total, one year, $528,438, or over 3 per cent of assessed value. 
 
 Bituminous rock, coal, chromite, potters' clays, lime, sulphur, orlire, BARYTA, garnet, graphite, quicksilver, 
 gypsurn, diatomaceous earth. 
 
 GEMS: Chalcedony, abalone, jasper, pearls, selenite, pectolite, ABALONB SHELLS exported, $10,000 an- 
 nually. 
 
 VENTURA COUNTY. 
 
 POPULATION: 1900, 14,307; 1890, 10,071. AREA, 1,852 Sq. M. County Seat, VENTURA. Assessed value, 
 $8,658,243. 
 
 One Year's Prod. : Gold, $2,500; ASPHALTUM, $31,070; PETROLEUM, $398,700; Brick, $2,000; 
 GRANITE, $28,000; Sandstone, $6,000; Rubble, $6,000; BORAX, $5,000. Total, one year, $476,161, or over 5 per 
 cent of assessed value. Bituminous rock, talc, and gypsum are abundant. 
 
 50 
 
SANTA BARBARA AND VENTURA COUNTIES 
 
 j-^/v LUfS O0/SPO coij/vry 
 
 SAN LO/S OS/J/'O COOA/ry 
 
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LOS ANGELES COUNTY. 
 
 POPULATION: 1900, 170,298; 1890, 101,454. AREA, 4,000 Sq. M. County Seat, LOS ANGELES. Assessed 
 value, $103,328,904. 
 
 One Year's Prod.: Gold, $5,500; GYPSUM, $10,000; ASPHALTUM, $100,000; PETROLEUM, $1,722,887; 
 Pottery, $10,776; BRICK, $275,925; Sandstone, $4,000; Macadam, $(5,000; Rubble, $18,552; SERPENTINE, 
 $2,000; Salt, $2,000. Total, one year, $2,155,198, or over 2 per cent of assessed value. 
 
 Asbestos, coal, marble, steatite, sulphur, talc, alum, potash, ONYX, chromite, corundum, graphite. 
 
 GEMS : Obsidian, garnet, pearls, siderite, selenite. 
 
 BANNER COUNTY IN GYPSUM, ASPHALTUM, PETROLEUM, BRICK, AND SERPENTINE. 
 
 ORANGE COUNTY. 
 
 POPULATION: 1900, 19,(i9(i; 1890, 13,589. AREA, 780 Sq. M. County Seat, SANTA ANA. Assessed value. 
 $11,245,544. 
 
 One Year's Prod.: Gold, $2,500; Coal, $2,250; PETROLEUM, $254,397. Total, one year, $259,174, or over 
 2 per cent of assessed value. 
 
 Coal and lead are known to exist in the county. Sandstone is abundant. The main resources are OR.\NGES, 
 •^^ NUTS, SUGAR BEETS, etc. 
 
 52 
 

 
 
 
 LOS ANGELES AND ORANGE COUNTIES 
 
 
 
 
 
 
 
 
 
 
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 53 
 
KIVERSIDE COUNTY. 
 
 POPULATION: 1900, 17,897. AREA, 7,000 Sq. M. County Seat, RIVEKSIDE. Assessed value, $12,248,709. 
 
 One Year's Prod. : GOLD, $150,000; SILVER, $7,000; COAL, $15,000; SALT, $8,000; ASBESTOS, $1,250; 
 BRICK $29,000; POTTERY^, $18,000; GRANITE, $57,000; QUARTZ SAND, $200. Total, one year, $285,112, 
 or over 2 per cent of assessed value. 
 
 Asbestos, antimony, copper, lime, talc, niter. 
 
 BANNER COUNTY IN ASBESTOS, POTTERY^ CLAY, AND GLASS SAND. 
 
 SAN DIEGO COUNTY. 
 
 POPULATION: 1900, 35,090; 1890, 34,987. AREA, 14,548 Sq. M. County Seat, SAN DIEGO. Assessed 
 value, $19,961,959. 
 
 One Y^ear's Prod. : GOLD, $335,937; SILVER, $20,000; MINERAL WATER, $3,250; SALT, $4,000; LITHIA 
 MICA, $11,000; TOURMALINE, $500; Brick, $3,261; Granite, $10,000; Rubble, $14,400. Total, one year, $402,- 
 061, or over 2 per cent of assessed value. 
 
 Asbestos and tin have been found. 
 
 BANNER COUNTY" IN LITHIA MICA, RUBELLITE, AND TOURMALINE. 
 
 GEMS : Aragonite, cassiterite, chrysocolla, garnet, lazulite, lepidolite, malachite, obsidian, selenite, tourmaline, 
 pearls. 
 
 54 
 
RIVERSIDE AND SAN DIEGO COUNTIES 
 
 55 
 
accepted in payment. 
 
 Price. 
 
 Keport XI— ISb^, First Biennial ifiOO 
 
 Report XIII— 1896, Third Biennial 1.00 
 
 Bulletin No. 2— 
 
 "Methods of Mine Timbering." 30 
 
 Bulletin No. 5 — 
 
 "Cyanide Process" (4th edition) 35 
 
 Bulletin No. 6— 
 
 "Gold Mill Practices in California" (3d cd.) . . .50 
 
 Bulletin No. 9— 
 
 "Mine Drainage, Pumps, etc." 35 
 
 Bulletin No. ia — 
 
 'Map of Oil City Oil Fields, Fresno Co., Cal." .05 
 Bulletin No. 16— 
 
 "Genesis of Petroleum and Asphaltum in Cali- 
 fornia." (3d edition) 30 
 
 Bulletin No. 18 — 
 
 "Mother Lode Region in California." 'io 
 
 Bulletin No. 19— 
 
 "Oil • and Gas Yielding Formations in Cali- 
 fornia." 75 
 
 Bulletin No. 21— 
 
 "Mineral Production of California, 1900." 
 
 Bulletin No. 22— 
 
 "Mineral Production of California for nast 14 
 
 years." 
 
 Bulletin No. 23— 
 
 "Copper Resources of California." 
 
 Bulletin No. 2-1— 
 
 "Saline Peprsits of California." 50 
 
 Bulletin No. 2.^— 
 
 " Mineral Production of California 1901."... 
 
 05 
 
 Postage. 
 
 $0.15 
 
 .20 
 
 .04 
 
 .04 
 
 .25 
 
 2.T 
 
 California State Mining Bureau 
 
 Ferry Dxiilding, San Francisco, Cal. 
 
 Publications of this Bureau will be sent on receipt of the requisite amount and postage. Only stamps, coin or money orders will be 
 
 Hfl in nfi.vment. 
 
 (All publications not mentioned are exhausted.) 
 
 JUST ISSUED. 
 
 Reconnaisance of the Colorado Desert Mining Dis- 
 trict, in San Diego County 15 
 
 Register of Mines, with map, Plumas County 25 
 
 Register of Mines, with map, Caiaveras County 25 
 
 Register of Mines, with map, Siskiyou County. . . 
 Register of Mines, with map. Trinity County.... 
 
 Register of Mines, with map. Lake County 25 
 
 Register of Mines, with map, Nevada County 25 
 
 Register of Mines, with map. Placer County 25 
 
 Register of Mines, with map, Shasta County 25 
 
 Register of Mines, with map, El Dorado County. . . .25 
 
 Register of Mines, with map, Inyo County 25 
 
 Register of Mines, with map, San Bernardino Co .25 
 
 IN PREPARATION. 
 
 Register of Mines, with map, Mariposa County. 
 Register of Mines, with map, Santa Barbara County. 
 Register of Mines, with map, San Diego County. 
 Register of Mines, with map, Kern County. 
 Register of Mines, with map, Sierra County. 
 Bulletin — Quicksilver Mining in California. 
 Bulletin— Gold Dredging in California. 
 
 Samples of any mineral found in the State may be sent to the 
 Bureau for identification, and the same will be classified free of 
 charge. It must be understood, however, that no assays, or quan- 
 titative determinations, toill be made. Samples should be in lumn 
 form if possible and marked plainly with name of sender, post- 
 office address, etc., and a stamp should be enclosed for reply. 
 
 LEWIS E. AUBURY, 
 State Mineralogist. 
 
 .04 
 
 .07 
 
 .02 
 
 .03 
 
 .06 
 
 .09 
 .02 
 
 .02 
 
 .08 
 .08 
 .08 
 .08 
 .08 
 .08 
 .08 
 .08 
 .08 
 .08 
 .08 
 
 50 
 
 Map of Mother Lode. 
 
 .02 
 
 12 
 
 .10 
 
 .02 
 .02 
 
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