SP&S 4-6-0 steam locomotive Number 105, Class D-1, at Union Station in Portland, Oregon, May 31, 1920. This locomotive was formerly Great Northern Number 1048 built by Baldwin Locomotive Works in August 1910.

SP&S 4-6-0 steam locomotive Number 104, Class D-1, with the tender being filled at Portland, Oregon, June 1, 1924. This locomotive was formerly Great Northern Number 1047 built by Baldwin Locomotive Works in August 1910. 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 103, Class D-1, being put back on the track after being wrecked at an unknown location and date. This locomotive was formerly Great Northern Number 1046 built by Baldwin Locomotive Works in August 1910.

SP&S 4-6-0 steam locomotive Number 102, Class D-1, at Portland, Oregon, January 1, 1920. This locomotive was formerly Great Northern Number 1045 built by Baldwin Locomotive Works in August 1910.

SP&S 4-6-0 steam locomotive Number 102, Class D-1, 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 101, Class D-1, at Vancouver, Washington on July 9, 1916. This locomotive was formerly Great Northern Number 1044 built by Baldwin Locomotive Works in August 1910.

SP&S 4-6-0 steam locomotive Number 101, Class D-1, at an unknown location with a passenger train, undated.

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