The Nivens also raised registered Columbia sheep for many years on their property near Bozeman. Frances stayed active in a number of community organizations throughout his life. He served as a director of the Montana Winter Fair for twenty two year, served as president of the Montana Archaeological Society from 1958 until 1959, and served as director of the Gallatin County Historical Society from its inception in 1977. His interest in Montana history, especially the Manhattan area, resulted in the gathering and writing of a history of the town. Niven was also active in the Masonic fraternity and the Rotary.
Information includes the names of suppliers, live weight, dressed weight, and prices paid.
Also included are records for the operation of livestock feedlots, inventory lists, and payroll information. The personal account book in box 3, folder 5, was kept by Spokane, Washington resident W. L. Trump, who may have worked for the North Side Market as a butcher. Box 1 1. Feedlot records, 1951-1956 2. Feedlot records, 1957-1961 3.