The David Sprau Collection encompasses 32 boxes of documents covering most Pacific Northwest railroads and includes operations documents, businees correspondence, engineering drawings, photographs and maps. It includes materials received from Herb Schneider, John Phillips III and David Empfield.
The David Mason Collection includes the railroad comic books "Ride the High Iron" and "Rails Across America"; Canadian Pacific Railroad's "Westward Across Canada", Union Pacific Railroad's "Western Wonderlands"; Chicago, Burlington and Quincy Railroad's "The Railroad with Young Ideas"; American Association of Railroad's "Quiz Jr." and "Railroads at Work".
The David Letcher Collection consists of a photograph labeled "In the Heart of the Cascades" of the Northern Pacific right of way circa 1915, and compact discs entitled "Stack Muzik" of moving pictures of railroad equipment in the Bend, Oregon area in 1977 and 1978 principally of the Burlington Northern but including some other railroads.
The David Emerson Collection encompasses materials primarily related to the Great Northern Railway Company (U.S.) and the Burlington Northern Railroad Company. It includes in excess of 27,000 photographs in addition to extensive Great Northern operational paperwork from the Spokane area and posters, ephemera, annual reports, newsletters, blueprints, equipment manuals, and timetables.
The David Carlson Collection is comprised of various photographic slides, and 4x6 and 8x10 black and white and color prints of Great Northern Railway subjects.
The David Abbott Collection holds Great Northern Railway Historical Society Collection 369.1 with documents relating to the avalanche at Wellington, Washington on March 1, 1910 on the Great Northern, documents on the Great Northern Railway's right-of-way through Anacortes, Washington and a track profile of the Great Northern between Lewiston, Idaho and Kingston, Montana. It also includes 27 copies of the Great Northern Railway employee newsletter "Talking It Over", 26 copies of the Burlington Nothern employee newsletter "BN News" and 72 copies of the Great Nothern Railway Historical Society magazine "Goat".