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 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 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 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 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 106, Class D-1, on the ready tracks at Portland, Oregon in April 1925. This locomotive was formerly Great Northern Number 1049 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 106, Class D-1, in storage at the Vancouver, Washington shops, August 15, 1932. 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 106, Class D-1, being scrapped at the Vancouver, Washington shops, undated. 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 107, Class D-1, with a large group of people at the SP&S employee picnic at Cascades, Washington on June 8, 1913. This locomotive was formerly Great Northern Number 1050 built by Baldwin Locomotive Works in August 1910. From the Oregon Historical Society Collection.

Builders photo of SP&S 4-6-0 steam locomotive Number 150, Class D-2, at Baldwin Locomotive Works in Philadephia, Pennsylvania, Photo by Baldwin Locomotive Works.