The Herb Chaudiere Collection is comprised of books, photographs, motion pictures, audio tapes, and periodicals covering the Northern Pacific, Great Northern, Milwaukee Road, Union Pacific and other railroads.
The Hennery Gunnthere Collection includes rolled drawings from the Northern Pacific Railroad numbered 44265-D Q-961; 44264-F Q-960; 49571-B Q-1224; 49234 Q-1197 for A-3 and A-5 steam locomotives.
The Harold Simon Collection incorporates digital copies of 9 maps of railroad changes at the Dalles Dam and 1 partial pad of Great Northern telegraph blanks.
The Harold Shannon Collection consists of over 300 photographs, primarily of Northern Pacific Railroad subjects. Most were taken in the mid-twentieth century.
The Hal Will Collection includes 57 photographs, principally of Great Northern Railway equipment, taken in the Seattle, Washington area between 1947 and 1956.
The Gregory Wills Collection comprises 2 Burlington Northern hard hats, 1 Great Northern belt buckle, 1 Great Northern battery lantern and a Great Northern necklace.