SP&S 4-6-6-4 steam locomotive Number 903, Class Z-6, and diesel locomotive Number 26, an American Locomotive Company (ALCO) S-2, on a snowy day in the yard at Wishram, Washington, undated. Photo by J. Mills.

SP&S diesel locomotive Number 22, an American Locomotive Company (ALCO) S-2, waits as 4-6-6-4 steam locomotive Number 910, Class Z-8, brings in a westbound freight at Wishram, Washington, undated. Photo by J. Mills.

SP&S diesel locomotives Number 850, 863, 865 and 853, all American Locomotive Company (ALCO) FA-1's, at the east end of the enginehouse at Wishram, Washington, undated. Photo by J. Mills.

SP&S diesel locomotives Number 850, 863, 865 and 853, all American Locomotive Company (ALCO) FA-1, and Number 61, an American Locomotive Company (ALCO) RS-2, at the east end of the enginehouse at Wishram, Washington, undated. Photo by J. Mills.

SP&S diesel locomotives Number 20 (an American Locomotive Company (ALCO) S-2) and Number 60 (an American Locomotive Company (ALCO) RS-2) on a snowy day at Wishram, Washington, undated. an American Locomotive Company (ALCO) RS-2's Number 60, 61 and 62 were backup power for passenger trains. Photo by J. Mills.

SP&S diesel locomotives Number 20 (an American Locomotive Company (ALCO) S-2) and Number 60 (an American Locomotive Company (ALCO) RS-2) on a snowy day at Wishram, Washington, undated. an American Locomotive Company (ALCO) RS-2's Number 60, 61 and 62 were backup power for passenger trains. Photo by J. Mills.

SP&S diesel locomotive Number 95, an American Locomotive Company (ALCO) RS-3, near the Wishram, Washington depot, undated. From the Ed Austin Collection.

SP&S diesel locomotive 856, an American Locomotive Company (ALCO) FA-1, in an A-B-B-A configuration on engine house track at Wishram, Washington, undated. From the Oregon Historical Society Collection.

SP&S diesel locomotive 856, an American Locomotive Company (ALCO) FA-1, in an A-B-B-A configuration on engine house track at Wishram, Washington, undated. From the Oregon Historical Society Collection.

SP&S diesel locomotive Number 750, an EMD E7A, with a short passenger train at Wishram, Washington, undated. Photo by Jack Holst.