Showing Collections: 1 - 3 of 3
Abstract 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.
Overview 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 types...
Abstract The Yellow Jacket Mine, staked in 1859, was one of the deepest in the Comstock Lode. Operation records of the Yellow Jacket Mine include minutes of stockholders' and directors' meetings, by-laws, deeds, financial statements, stock transfer records, and letters, from 1861-1911.