The Irma McGonagill Papers (1907-1970) document her life in Tonopah, Nevada. The collection includes handwritten notes about her life in Tonopah, a stock certificate from the Silver Bow mine, and correspondence with Nanelia S. Doughty about life in Tonopah.

The Harry Floyd Alter Photograph Collection (1905-1916) is comprised of black-and-white photographic prints and negatives. The images depict scenes in Las Vegas, Nevada, including the Las Vegas Ranch, the Arizona Club, and baseball teams and fields. Also included are images of Harry Floyd Alter and his friends.