Abstract The Consolidated Virginia Mining Company (Con Virginia) in Virginia City, Nevada, was once the richest source of ore in the Comstock Lode. 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...

Abstract

Holmes Mining Company was a silver mining company at Candelaria, Nevada. Financial journal details company expenses, including payments for equipment, repairs, labor, and supplies (1890-1903).

Abstract

The Mexican Gold and Silver Mining Company was part of the North End Mines of the Comstock Lode. The initial claim of 100 feet was staked in 1859. Collection includes business records of the company's mining operations, including reports (weekly and annual), letters, accounts of expenditures and proceeds, and legal materials, 1876-1923.

Abstract

The first discovery of precious minerals in the Comstock Mining District, Virginia City, Nevada, was made on what was to become the Ophir Silver Mining claim. Collection contains daily, weekly, and annual reports, 1879-1920; letters, 1874-1913; payroll, 1879-1884; cash books, 1882-1911 abstract of title of the company's real estate and miscellaneous other business records, 1878-1906.

Abstract

The Original Treasure Mining Company was a silver mine in White Pine County, Nevada, at Treasure Hill. The collection includes a financial ledger of amounts paid for the mine's operating expenses and to mine president George W. Beaver from 1869-1874.

Abstract

The Overman Silver Mining Company was a mine on the main Comstock Lode located in Gold Hill, Nevada. The collection includes bylaws; minutes, 1860-1865; correspondence, 1875-1882; daily and annual reports, 1880-1903; accounts, 1862; time book, 1874-1901; and deeds, 1861-1863 and 1890.

Abstract

Part of the Middle Mines of the Comstock Lode, the 800 foot Savage Mine was staked in 1859 by A. O. and L. C. Savage and others. Contains records of mining operations, including annual reports, 1871-1874 and 1901-1917; assessment of shares, 1877-1882; records of bullion shipped to San Francisco, 1868; and account books, 1883-1884 and 1915-1920.

Abstract

The Sierra Nevada, Mexican and Union Shaft Company was a Virginia City, Nevada silver mine composed of what had formerly been three separate companies. The collection contains daily cash account book (1907-1920) and checks drawn on the Bank of California (1898).

Abstract The Union Mine was Part of the North End Mines of the Comstock Lode, the Union was an 1859 stake of 302 feet between the Mexican and Sierra Nevada Mines. Later, 270 additional feet were acquired from the North Ophir claim. Work began in 1860; although the Union had one of the deepest works (at 3350 feet), it was one of the least profitable of the Comstock; by the late 1870s it was producing no ore. Collection contains operational records, including weekly and annual reports of operations...

Abstract

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.