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 .

Great Northern diesel locomotive 609 an Electro-Motive Division Type GP7, at Rockport, Washington switching gondola 74589 next to water tower. Other subject categories: Locomotive-Diesel, Tank-Water