01041cam a22002651 4500 gs 20000420 DLC 20260227111325.0 761228s1920 cau 000 0 eng gs 20000420 (OCoLC)2650848 DLC OT DLC premarc TN24.C2 A3 no. 87 Castello, Walter Owen, 1887- The commercial minerals of California, with notes on their uses, distribution, properties, ores, field tests, and preparation for market, by W. O. Castello. Sacramento, California State Print. Off., 1920. 124 p. 23 cm. California State Mining Bureau. Bulletin 87l At head of title: California state mining bureau. Fletcher Hamilton, state mineralogist. "Publications of the California State mining bureau": p. 117-120. Bibliography: p. 110-115. Mines and mineral resources California. Mineral industries California. 26047 26047