CALIFORNIA AGRICULTURAL EXTENSION SERVICE Circular 137 July^ 1947 GENERAL-CONTACT WEED KILLERS A. S. CRAFTS .iiW '": : ' "y. I ^IC »^ % r- . '1 li t < ,'.»■ '>/» Spraying Diesel oil oh roddsldfe growth to form a fire-control strip m^^<^M.^.^.'^»>P>m^4^r'^ ^M -^,M.,^^.^^^<^