Southern Pacific Railroad steam locomotive number 1901 at Portland, Oregon, circa 1910. SP 1901, a 2-6-2T in switching service at Portland circa 1910. Photo by K. Leavens, J.M. Fredricson collection. Other Subject Classes: steam locomotive, switcher locomotive.

Southern Pacific Railroad steam locomotive number 3909 at Canby, Oregon in June 1947. SP 3909, a 4-6-6-2 cab-forward leading the first section of freight train No. 667, moves past the water column at Canby in 1947. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train, water column.

Four Southern Pacific Transportation Company commuter cars near the air museum at Tillamook, Oregon on October 11, 1988. Photo by J.M. Fredrickson. Other Subject Classes: commuter car

Spokane, Portland & Seattle Railway steam locomotive number 157 at Portland, Oregon, circa 1928. Spokane Portland & Seattle 157, formerly Northern Pacific number 251, class P, 4-6-0, built by Schenectady, 1898. Photo by H.H. Arey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster shot

Spokane, Portland & Seattle Railway steam locomotive 158 at Portland, Oregon, circa 1928. Spokane Portland & Seattle 158, formerly Northern Pacific number 257, class P, 4-6-0, built by Schenectady, 1898. Photo by H.H. Arey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster shot

Spokane, Portland & Seattle Railway steam locomotive 326 at Portland, Oregon, circa 1932. Spokane Portland & Seattle 326, formerly Northern Pacific number 1260 class Y-2, 2-8-0, built by Schenectady, 1901. Photo by H.L. Arey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster shot

Spokane, Portland & Seattle Railway steam locomotive number 3 at Gearhart, Oregon, circa 1898. Engine No. 3 of the SP&S predecessor, Astoria & Columbia River Railroad, makes a station stop at Gearhart circa 1898. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger station, passenger.