Collection consists of 2 manuscript volumes written by Richard Hanners. Volumes 1 and 2, entitled "From Superstar to Superfund: The History of a Northwest Montana Aluminum Smelter," detail the history of the Anaconda Company's aluminum smelter on the Flathead River in Columbus Falls, Montana. The manuscript was written in 2020.

Hubert Simmons (1881-1967) was a Red Lodge, Montana, attorney, state legislator, and coal mine owner. Papers consist of five subgroups: Simmons' personal papers (1906-1967); Eagle Coal Company records (1918-1947); Owl Mining Company records (1930-1958); W.B. Innes and Company records (1919-1930); and Western States Coal Company records (1917-1927).