Abstract Oscar Baarson was assistant superintendent of the Anaconda Company's East Helena, Montana, plant; Helena City Engineer; district manager for the U.S. War Production Board during World War II, engineer for the State Examiners Office and Lewis and Clark County surveyor. This collection consists of Oscar Baarson's files (1925-1950) concerning his work with the Anaconda Company, the City of Helena, and the State Examiners Office; and a small group of personal papers relating to Baarson's family,...

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...