The Mark McLean Collection brings together Tegtmeier photos, Robert McLean's railroad uniform, railroad keys and buttons, 200 photographs, several historical books, letters and other ephemera.
The Martin J. Lins Collection includes photographs of her uncle, Martin J. Lins, Chief Special Agent of the Great Northern, menus from President Franklin Roosevelt's trip to Glacier Park, Montana on August 3-7, 1934, and Martin Lin's Certificate of Annuity on his retirement.
The Marty Johnston Collection is comprised of photographs of railroad subjects from the first half of the 1900's with emphasis on the Great Northern and other northwestern railroads. Some timetables, maps and newspaper clippings are also included. Materials were collected by Robert Pearson, Mr. Johnston's grandfather.
The Melvin Iszley Collection consists of documents from several Northwest railroads, including maps, plats, engineering drawings, and timetables from the Northern Pacific, the Great Northern, the Spokane, Portland and Seattle, the Burlington Northern, and several other railroads, and operating manuals for a variety of diesel locomotives.
