The Robert Hutchison Collection is comprised of railroad and model railroad magazine issues, Union Pacific calendars, posters and a map, and two recordings on 33 1/3 rpm vinyl of railroad sounds.
The Robert Lowry Collection is comprised of 43 photos of a variety of railroad subjects, postcards, 2 Northern Pacific car diagrams, timetables for the Burlington Northern and Chicago, Burlington and Quincy railroads, and the book Spokane, Portland & Seattle Color Guide to Freight and Passenger Equipment by Ed Austin.
The Robert Melbo Collection includes Interstate Commerce Commission accident report covering Northern Pacific Railroad Locomotive 5105 at Willis, Montana 7/7/1938.
The Robert Porter Sr. Collection is comprised of the number board from the ore car which carried the "1 Billionth ton of iron ore shipped from the ore dock at Allouez". The ore car that carried that billionth ton of ore was painted gold to celebrate that event. The car number was 95810..
The Robert Prior Collection consist of 4 Nothern Pacific brochures on the North Coast Limited passenger train, Yellowstone National Park, and the Pacific Northwest. It also includes Cartan's Canadian Rockies brochure.
The Robert Soderberg Collection consists of Great Northern Railway Cascade Division seniority rosters and miscellaneous bulletins issued between 1950 and 1971.
