Several famous people are associated with these Beaverhead County historic places including William Clark, William R. Allen and Martin Barrett.
Some of the country's most noteable architects helped create the Beaverhead County places including Department of the Army, John C. Paulsen, Link & Haire, James Leck, Louis A. Simon, O.E. Peppard, G.M. McLain, Fred Willson, Hamill & Swanstrum and Xavier Renois. Prominent architectural styles found in Beaverhead Country are Classical Revival, Colonial Revival and Prairie School.