The William M. Woody Collection comprises 7 digital photographs, principally of William M. Woody in or adjacent to steam locomotives he operated as a fireman and engineer for the Oregon-Washington Railroad and Navigation Company between 1942 and 1959.
The Vern Salomensen Collection is a group of photograph negatives of Northern Pacific equipment, chiefly steam locomotives, and locations taken in the 1950's.
The Stan Kistler Collection consists of over 500 images of Northern Pacific Railroad Company equipment during the middle decades of the 20th century and 12 Northern Pacific public timetables from the 1930's through 1957, collected by Harold Stewart.
The Richard Barger Collection consists of one box of published books, a photograph of SP&S locomotives at Wishram, Washington and a Hudson locomotive lubrication chart.
The Larry Occhiello Collection consists of a photograph of the crew of the Northern Pacific Railroad Company's Northtown Shops in Minneapolis (Minn.), taken on August 14, 1937, with steam locomotive NP 1718 in the background.
The Jack Blanchard Collection includes issues of "Extra 2200 South", a magazine on diesel locomotive news and histories, and a Milwaukee Road postcard of Snoqualmie Pass, Washington.
The Gary Stengle Collection includes Northern Pacific steam locomotive photographs, a public timetable, ephemera, artifacts and the April, 1988 issue of "Freight Cars Journal".