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...