SP&S diesel locomotive Number 750, an EMD E7A, departing Portland with the "Empire Builder" for Spokane on September 1948. Photo by Frank Mckinlay.

SP&S diesel locomotive Number 50, an American Locomotive Company (ALCO) RS-1, with a caboose at Portland, September 1955. John T. Labbe photograph.

SP&S diesel locomotive Number 33, Baldwin VO-1000 with the Portland Yard drag, undated.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 626 formerly Great Northern Class E-14, at Portland, Oregon, 1947.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 625 formerly Great Northern Number 1052, Class E-14, at Portland, Oregon, 1937.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 623 formerly Great Northern Class E-14, at Portland, Oregon, 1948.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 622 formerly Great Northern Class E-14, at Portland, Oregon, 1946.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 622 formerly Great Northern Class E-14, at Portland, Oregon, 1939.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 620 formerly Great Northern Class E-14, at Portland, Oregon, 1937.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 509 and water tank. Formerly Great Northern Number 3121 (Class O-1), at Portland, Oregon, 1944.