Northern Belle Extension Mining Company Records

The records of the Northern Belle Extensions Mining Company contain 218 items spanning the years 1922 to 1932 and are housed in two boxes. The collection is divided into three sections: Manuscripts (Box 1), Correspondence (Box 1-2), and Financial Records and Ephemera (Box 2). The manuscripts consist of 4 items and are arranged alphabetically by title. They include unpublished reports on various mining districts and geologic conditions of the ore deposits in Candelaria, Nevada and the Red Cloud Mine in Arizona. There is an incomplete report by William E. Pomeroy on his activity in the Superstition Mountains of Arizona during the 1880s entitled "A Hundred to One." There is also an incomplete report of the history of Candelaria as well as an incomplete report on the Brown Group of Mining claims located in the Candelaria region.

The correspondence is arranged alphabetically by author and consists of 167 items. The majority of the correspondence is to and from William E. Pomeroy, the Vice President and manager of the Northern Belle Extension Mining Company. The bulk of the letters are between Pomeroy and the Northern Belle Extension's President, John H. Winn. They discuss matters such as financing, potential new mining claims, and land and equipment purchases. Many of Pomeroy's letters report on his work in Candelaria and his surveys of mines around the Columbia Mining District, his purchases of mining claims at the Gilbert Mines near Tonopah, Nevada, and his ventures and assessment of the Red Cloud Mine near Yuma, Arizona. Pomeroy also discusses his endeavors in business enterprises such as oil, agricultural, and real estate in California and other western states such as Arizona and Texas. The remaining of Pomeroy's correspondence is to a number of individuals and companies related to the mining industry. The majority of the letters concern Pomeroy's various business deals, real estate ventures, land and mining claim purchases, mining practices, geologic makeup of mining claims, and his opinion of new areas for future mining operation. Some of the individuals with who he corresponds more frequently include Edgar T. Wallace, I.J. Cambell, attorney Roland R. Wooley, and his brother F.A. Pomeroy. For most other correspondents, however, there is only a single item.

The financial records and ephemera are arranged alphabetically by type and then by date when necessary and consist of 47 items. There are a number of bills from a Candelaria retail merchant and the Reno Mercantile Company. In addition there is a contract with the Central U.S. Swine Company, Notices of Location of new mining veins found by Pomeroy, and Pomeroy's leases of mining claims. In addition, there is one map of the Georgene Mine operated by the Northern Belle Extension Mining Company.

Subjects include: Agriculture—California; Borderlands (Mexico and U.S.); Boyle, Emmet Derby, 1880-1972; Candelaria (Nev.); Columbia Mining District (Nev.); Fairview Mining Claim; Georgene Extension Mine; Gilbert Mammoth Mine; Good Faith Mining Claim; Hawthorne (Nev.); Los Angeles (Calif.); Magma Chief Copper Company; Mina (Nev.); Mineral County (Nev.); Mines and mineral resources—Nevada—Mineral County; Odd-fellows, Independent order of; Potosi Mining District (Nev.); Red Cloud Mine; San Joaquin Valley (Calif.); Silver—China; Silver—India; Silver—Prices—United States; Silver mines and mining—Nevada; Silver mining—Mexico—1890-1930; Tonopah (Nev.); Yuma (Ariz.); Reno (Nev.).