Showing Collections: 1 - 3 of 3
Abstract Mine operation records including reports, assay reports, ore and bullion statements, mill records, annual reports, bylaws, equipment specification books, legal records, resolutions, and account registers.,Also included are records of the adjacent California Mining Company, the Consolidated California and Virginia Mining Company, and the C & C Shaft (Consolidated and California) which was jointly operated by the Con Virginia and California mining companies.
Abstract This report includes an historical sketch of the Comstock Lode at Virginia City, Nevada; production history of the Consolidated Virginia Mine; geology; previous exploration; and opportunities for exploration.
Abstract Included are a cash journal for the Mexican Milling Company, 1916-1920; mill book, 1915-1920; and survey book of the Con Virginia, Ophir, Mexican, Union, and Sierra Nevada mines, .,The mill book records tonage of raw material, gold and silver extracted, and "tails;" surveys record excavation progress in the shafts. This collection also contains a report by Charles Liddell, "Study of the Ventilation Problems of the North End Mines of the Comstock," 1914.