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Geological report on the Belcher, Crown Point and Yellow Jacket Mines located at Gold Hill, Nevada
Report includes sections on a resume of U.S.G.S. monograph III on the geology of the Comstock, rock formations at various levels in the mines, and summary with reference to points of economic interest. Created by Henry R. Putnam, mining engineer who became a consultant, in 1912.
United Comstock Mining Company Records
Abstract The United Comstock Mining Company was a Nevada corporation organized in 1920 as a subsidiary of the Metals Exploration Company that bought up and worked nine Virginia City, Nevada, mines including the Challenge, Challenge-Jacket-Imperial, Confidence, Crown Point, Imperial Consolidated, Imperial Empire, Jacket-Crown Point-Belcher, Overman, and Yellow Jacket mines. The collection contains copies of weekly progress reports that discuss length of tunnels, yields of ore, presence of various...