Abstract The Granite-BiMetallic Consolidated Mining Company was a St. Louis, Missouri, based silver mining company formed from the merger of the Granite Mountain Mining Company, and Bi-Metallic Mining Company. Collection (1881-1934) consists of interoffice correspondence (1887-1931), incoming correspondence (1887-1898), outgoing correspondence in letterpress books (1881-1903), general correspondence (1898-1932), employment records, financial records, legal documents, production records, weekly...

Abstract Records of the North Butte Mining Company in Butte, Montana, consist primarily of interoffice correspondence (1906-1910, 1914-1926), general correspondence (1906-1923), and outgoing correspondence (1905-1912). In addition, there are assay reports, minor financial records, legal documents, organizational records, subject files, and miscellany. There is a small subgroup of research materials compiled about the company by Al Hooper, focusing on a scrapbook of clippings about the Granite...