. The copper resources of California. size, of the best quality ore discovered in the mine. This is adark-blue sulphide ore. Green carbonate ore has been shippedthat yielded 35 per cent copper. Other carload shipmentshave given 30 per cent copper. There is on the dump over350 tons of ore of good grade. The former lessees (WilcoxBros.) within the three years shipped over $30,000 worth ofcopper ore. The adjacent country consists of low rollinghills and grazing land, is easy of access, and is twenty-fourmiles from Merced, and about fifteen miles from the Santa FeRailroad. White Rock Copper King M
. The copper resources of California. size, of the best quality ore discovered in the mine. This is adark-blue sulphide ore. Green carbonate ore has been shippedthat yielded 35 per cent copper. Other carload shipmentshave given 30 per cent copper. There is on the dump over350 tons of ore of good grade. The former lessees (WilcoxBros.) within the three years shipped over $30,000 worth ofcopper ore. The adjacent country consists of low rollinghills and grazing land, is easy of access, and is twenty-fourmiles from Merced, and about fifteen miles from the Santa FeRailroad. White Rock Copper King Mine.—In Sec. 14, T. 7 S.,R. 17 E. It lies about a quarter of a mile west of the contactof the grano-diorite belt. The vein matter is schistose diabase,25 feet and upward in width. There are heavy gossan crop-pings. Cuts, shafts, and openings in these croppings showthat these decomposed masses extend downward for more than30 feet. The main shaft is over 150 feet deep. This isequipped with a whim hoist. Development work in this shaft. WMITI-; ROCK. MARiroSA ColNTY
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