The William McKown Collection includes photographs and drawings used by him to produce models of railroad equipment for W&R Enterprises. Equipment represented includes locomotives, freight cars, passenger cars and maintenance of way cars. Railroads represented include the Union Pacific Railroad Company, Southern Pacific Railroad Company, Great Northern Railway Company (U.S.), Northern Pacific Railroad Company, Burlington Northern Railroad Company, and other Railroads including Oregon Railroad and Navigation, Western Pacific, Denver and Rio Grande Western, New York Central, Reading Railroad, Chesapeake and Ohio, Pennsylvania Railroad, Canadian National Railroad, Soo Line, Frisco and Missouri Pacific.