Abstract Gustaf Carlson (1907-1996) was a Helena based mining engineer involved in mining in Montana, Idaho, Arizona, and Minnesota. This collection (1890s-1960s) consists of subject files on local mines including the Spring Hill (near Unionville), the Klondyke and the Sourdough (in Elkhorn); the East Pacific and the Kleinschmidt (near Townsend); the Drumlummon (near Marysville); mines in the Corbin and Wickes area; and other mines in Montana and Idaho. One of the larger subject files concerns the...

Abstract Wellington Rankin was a Helena, Montana, attorney, rancher, state attorney general, associate justice of the Montana Supreme Court, U.S. district attorney, and Republican national committeeman. He also ran unsuccessfully for Governor, U.S. Senate, and U.S. House of Representatives. This collection includes personal papers of Wellington Rankin and of several family members including Jeannette Rankin; political files; records of several businesses he owned; records of his ranch operations; and...

Abstract Helena, Montana, mining and geological engineer Leverett Ropes (1868-1953) was employed by various mining firms, by the federal government, and as a private consultant. This collection contains papers (ca. 1888-1952) concerning Ropes' mining engineering and geology consulting work and his interest in a variety of political issues. The general correspondence (1928-1952) concerns mines in Lewis and Clark, Jefferson, and Broadwater counties, Fort Peck Dam, his dispute with federal agencies over...