Abstract This collection consists of records (1876-1974) of the Anaconda Copper Mining Company and contains correspondence, court papers, financial and production records, legal documents, organizational records, subject files, and other materials for the Anaconda Copper Mining Company and many of its predecessor and subsidiary companies and departments. Among the major subgroups are General Office; Big Blackfoot Milling Company; Bitter Root Development Company; Boston and Montana Consolidated Copper...

Abstract This collection contains several geological surveys that took place in the Jardine-Crevasse Mountain District and Mineral Hill area. Mineral Hill Mine, located just north of Yellowstone, was mined primarily for gold and arsenic from 1923 to 1948, when operations stopped until 1988. Between 1988 and 1996, TVX Gold and other companies conducted various development and drilling projects at the mine. Since 1996, the mine has been under “maintenance status.” This collection includes geological...

Abstract Anton M. Holter (1831-1921) was a pioneer Helena, Montana, lumberman and founder of the A.M. Holter Hardware Company. Papers (1831-1921) include correspondence, and organizational and financial records relating to mining, agriculture, lumber, real estate, and oil interests of three generations of the family, headed successively by Anton M. Holter, Norman B. Holter, and Norman J. "Jeff" Holter. Many of the enterprises were in partnership with Samuel T. Hauser. Interests include the A.M....

Abstract

This collection consists of views of Montana placer mining, hard rock mines and mills, coal mines, and kilns primarily between the years 1867 – 1920. Well-represented are early views of placer mining in Alder Gulch and in the Rimini mining district, larger-scale hard rock mining in the Marysville mining district, and mines and smelters in Butte. The collection also includes views of coal mining operations in Carbon, Fergus, Gallatin, Park, Powder River, and Sheridan counties.

Abstract Montana Mining Company Ltd., a British corporation, operated the Drumlummon Mine in Marysville, Montana, from 1882-1911. Records include interoffice correspondence (1893-1905); outgoing correspondence (1893-1904); incoming correspondence (1890-1905); employment records including payroll, contracts, insurance, and inquests (1893-1902); financial records including bank deposits, bills of lading, board register, checkbook, cash accounts, corporate balance sheets, estimates, invoices, operating...