Show Oi Oil Leads Gold Cold as California Product 55 Showing how petroleum has hag taken the supremacy from gold Jold in California mineral mInerai production the California state mining bureau has prepared pared tho the following table of or annual values of oC gold oil an and all al mineral production In the state Year Gold GoI P Petroleum All Al Minerals 1890 1390 3 38 1900 I 94 1910 10 2 1915 1916 I r 2 1 I 1917 9 17 1 16 1918 InS While oil oi has Increased in importance until It I now noi is 65 Ier per cent of ot the entire entre mineral minerai production of oC the state the tho output of ot the gold mines has remained fairly constant The smaller maler production of or gold hold In 1 1918 18 was duo to the conditions brought about by the war with tho tIm cost of ot production largely increased and the price of ot tho ho gold remaining fixed so 90 that grade properties were confronted with wih the tho danger of or a I net loss JOM If It the they continued operation |