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.
Abstract Collection contains copies of weekly progress reports for each of these individual mines: Challenge, Challenge-Jacket-Imperial, Confidence, Crown Point, Imperial Consolidated, Imperial Empire, Jacket-Crown Point-Belcher, Overman, and Yellow Jacket, Reports discuss length of tunnels, yields of ore, presence of various types of rock and water, and drain projects from 1865-1923.
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.