The Ron Sloan Collection brings together a builder's plate from Spokane, Portland and Seattle Railway Class Z-6 Number 900; a box of Spokane, Portland and Seattle Railway employee papers, a switchman's kerosene lantern; and a bundle of black and white photos of Pacific Northwest scenes.
The Ronald Hammond Collection consolidates an 1899 stock certificate and a 1878 timetable for the Chicago, Burlington and Quincy Railroad, a 1970 stock certificate for the Great Northern Railway, and a rulebook for the Rock Island dated 05/01/1955 together with standard questions on the rules.
The Russell Holter Collection includes Milwaukee Road research materials accumulated by Ruth Eckes, news paper clippings on Milwaukee Road subjects gathered by R. L. Baird, photographs of northwest railroad subjects from the Michael W. Dean collection, equipment manuals and other research materials on the Milwaukee Road and other northwest railroads, and organizational files from the Cascade Rail Foundation and Friends of the Cle Elum Depot.
The Russell Johnson collection includes 38 equipment manuals, textbooks and rule books, 12 magazines and newspapers, 18 time tables, track maps, employment documents and miscellaneous small artifacts and printed ephemera related to the Northern Pacific Railroad Company, Great Northern Railway Company (U.S.), and Burlington Northern Railroad Company in addition to operating manuals for locomotives and other railroad equipment. The second accrual was 2 boxes of engineering drawing and miscellaneous documents from the Northern Pacific Railroad Company's Bellingham, Washington depot.
The San Luis Obispo Railroad Museum Collection is comprised of the book "Wonderland 1905", descriptions of the Pacific Northwest written by Olin D. Wheeler and published by the Northern Pacific Railroad, and the brochure "Scenic Highlights" produced by the Northern Pacific Railroad.
