The Lance Lassen Collection takes in one box of blueprints, one box of miscellaneous manuals and a bag of drawings and items chiefly from the Northern Pacific Railroad Company and the Spokane, Portland, and Seattle Railway.
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 Laurie Briggs and Family Collection includes Burlington Northern Railroad calendars, timetables and maps with a few Northern Pacific Railroad items, and a 1962 Great Northern Railway World's Fair poster.
The Lawrence Stuckey Collection includes materials on the Northern Pacific Railroad Brandon Branch, magazine pages, a Northern Pacific Railroad Railway Valuation Sections booklet; locomotive photosgraphs, a timetable, photographs of other railroad subjects, a reprint of "Northern Pacific Railroad Passenger Equipment III".
The Lee Bailey Collection consists of 2 large binders of correspondence between Pacific Northwest railroad companies and Pacific Northwest railroad companies and customers on two broad subjects: shipping poultry feed (1904-1922) and shipping flour and grain (1915-1921).