The Cowlitz County Historical Society Collection joins 3 photographs and the Bureau of Alcohol, Tobacco and Firearms report on the Columbia & Cowlitz Railway Bridge #7 fire in 2001.
The Dale Madison collection includes employee timetables and special instructions issued between 1956 and 1973 by the Union Pacific, SP&S, Northern Pacific, Bulington Northern and other railroads, a Nothern Pacific brakeman had and a Burlington Nothern bump hat.
The Dan Bolyard Collection unites photographs of the Milwaukee Road and Great Northern, Milwaukee road post cards, 7 issues of the "MilWest Dispatch" and a book titled "New Cascade Tunnel".
The Dan Perkins Collection integrates some 15,000 photographic slides taken by Daniel Perkins between 1966 and 1973 of Pacific Northwest railroad subjects, chiefly equipment. Railroads covered include the Great Northern, Northern Pacific, Spokane, Portland and Seattle, Southern Pacific, Milwaukee Road, Union Pacific, and Pacific Coast.
The Dan Steinhoff Collection consists of a copy of the retirement program for A.W. Ackley, Chief Dispatcher of the Tacoma Division, Northern Pacific Railroad Company, and a newspaper article on James M. Fredrickson, dispatcher for the Northern Pacific Railroad Company.
The Daniel Gabbert Collection is comprised of railroad equipment operating manuals and government and railroad company regulations for the operation and maintenance of railroad equipment.