The Charles Intlekofer Collection is comprised of some 5,000 photographs taken between 1953 and 1980 of Great Northern subjects. It also includes 3 boxes of Great Northern business files, documents and newsletters, with extensive documentation of Great Northern Authorizations for Expenditure 22053, 34418, 6416 and 11246.
The Chareles Jerrett Collection is comprised of Great Northern Railway ephemera, photos, correspondence, a telegraph key, model kits, maps, a brochure.
The Cashmere Museum Collection holds track profiles for the Burlington Northern: in the Montana Division: Williston to Havre and Havre to Conkelley; in the Spokane Division Conkelley to Latah Junction (2 copies), and Pasco to Wishram.