SP&S 4-6-0 steam locomotive Number 101, Class D-1, at the locomotive servicing area at Portland, Oregon, August 26, 1927. As to the wheels on the lead truck, these are Davis Cast Steel Wheels which were supposed to have greater strength and a longer wearing life.

SP&S 4-6-0 steam locomotive Number 100, Class D-1, gets ready to depart the Hoyt Street depot in Portland, Oregon with a special SP&S employee picnic train to Cascades, Washington on August 20, 1916.

SP&S 4-6-0 steam locomotive Number 100, Class D-1, arrives at Cascades, Washington with the SP&S employee picnic train on August 20, 1916. From the Oregon Historical Society Collection

SP&S 4-6-0 steam locomotive Number 100, Class D-1, is decked out in festive decorations as it arrives at Cascades, Washington with the SP&S employee picnic train on August 20, 1916. This locomotive was formerly Great Northern Number 1043 built by Baldwin Locomotive Works in August 1910. From the Oregon Historical Society Collection

American Locomotive Company (ALCO) builders photograph marked as SP&S 100 but this is not a locomotive owned by the Spokane, Portland & Seattle. From the ALCO Historic Photos Collection

Side view of SP&S 0-6-0 steam locomotive Number 1, Class A-1, working the coach yard at Portland, Oregon, undated

SP&S 0-6-0 steam locomotive Number 1, Class A-1, at Portland, Oregon on August 17, 1936. Photo by H.L. Arey.

Side view of SP&S 0-6-0 steam locomotive Number 1, Class A-1, at Portland, Oregon on August 13, 1939

View of SP&S 0-6-0 steam locomotive Number 1, Class A-1, switching passenger cars at Astoria, Oregon, July 22, 1947. Photo by Wil Whittaker.

View of SP&S 0-6-0 steam locomotive Number 1, Class A-1, at Astoria, Oregon, April 9, 1947