The Charles Martin Collection includes a framed print of Great Northern Railway Class P-2 with passenger consist, a book, "The Last Spike is Driven"; Western Pacific Railroad -Special Instructions and a Western Pacific timetable; Great Northern Railway, Time Return and Delay Report book of forms; Art work for the logo for the Fraternity for Empire Builders; a book, "The Great Northern Electrification"; a book, "Seattle and the Great Northern"; a book, "Descriptive List of the Cars of the Pullman Company"; a book, "Baldwin Locomotives on the Great Northern"; 6 drawings of Great Northern Railway steam engine tenders; and a label for end of an apple crate, the Fraternity of Empire Builders Photograph Catalog for Steam, Diesel, Electric, Maintenance of Way, and Miscellaneous Equipment, and additional unrecorded items.
The Charles Jarrett Collection includes Great Northern Railway ephemera, photographs, correspondence, maps, brochures, a telegraph key and model box cars.
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.
