Abstract The Exchequer Silver Mine is near Virginia City, Nevada. Historically the site has been part of the Comstock Lode-Gold Hill Mining District. This collection includes agreements from between the Exchequer Mining Company as part of the United Comstock Pumping Association and the Sutro Tunnel Company concerning the Sutro Tunnel; a list of papers on file with the Exchequer Company, compiled after 1912; an agreement with the Truckee River General Electric Company and the United Comstock Pumping...