Silver mines and mining -- Nevada
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Overview The Comstock Pumping Association was established in 1898 by 28 mine companies in Virginia City. Designed as a means to increase stock values, the purpose of the association was to pump water from the Comstock mines below the Sutro Tunnel level. Records of operation include daily and weekly reports (including Ward Shaft Association, 1910-1912), letters, cashbooks, financial ledgers, and a tunnel account book, 1905-1909.