Skagit River Railway diesel locomotive number 7 switching cars at Rockport, Washington, circa 1950. It was built by Skagit Steel & Iron Works, Sedro Woolley, Washington from the truck frames and axles of Portland Traction electric locomotive number 1403. Originally powered by a pair of Waukesha 6-WAKH-4 200hp diesels, later repowered with Caterpillar D-17000's. Sold May 27, 1954. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Six Great Northern F-units pull Great Northern Railway's first unit potash train of 118 cars, circa 1968. Other subject categories: Freight

Diesel locomotive STC 900, a Class SW900, with water tender and log cars at Shelton, Washington, July 1980, leading a log train. Other Subject Classes: Locomotive-Diesel

Diesel locomotive STC 1201, Class SW1200 with firefighting car and water tender at Shelton, Washington, July 1980, leading a caboose hop. Other Subject Classes: Locomotive-Diesel

Simpson Timber Company Passsenger Special at Shelton, Washington in 1990.

Simpson Timber Company Passenger Special at Shelton, Washington in 1990.

Simpson Timber Company Passenger Special at Shelton, Washington in 1990.

Simpson Timber Company Passenger Special at Shelton, Washington in 1990.

Simpson Timber Company Passenger Special at Shelton, Washington in 1990.

Simpson Timber Company Diesel Locomotives Number 1201 And 1200 at Shelton, Washington in 1990.