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,...