SP&S 4-4-2 steam locomotive Number 600, Class C-1, from the engineer side at Portland, Oregon circa 1910. Photo by Herbert L. Arey.

SP&S 4-4-2 steam locomotive Number 600, Class C-1, on a passenger train at Portland, Oregon with a crew member posing next to the locomotive. From the Oregon Historical Society Collection.

SP&S 4-4-2 steam locomotive Number 600, Class C-1, on a passenger train at unknown location and date. From the J. Foster Adams Collection, Rocky Mountain Railroad Club.

SP&S 4-4-2 steam locomotive Number 601, Class C-1, at Portland, Oregon.

SP&S 4-4-2 steam locomotive Number 601, Class C-1, at Portland, Oregon.

SP&S 4-4-2 steam locomotive Number 601, Class C-1, at Portland, Oregon.

SP&S 4-4-2 steam locomotive Number 601, Class C-1, next to the water tank at Portland, Oregon.

SP&S 4-4-2 steam locomotive Number 602, Class C-1, view of the firemans side at Portland, Oregon on August 24, 1913. From the J. Foster Adams Collection, Rocky Mountain Railroad Club.

SP&S 4-4-2 steam locomotive Number 602, Class C-1, wrecked at the Seventh Street trestle at Spokane, Washington on April 5, 1910. On April 4th Number 602 was on passenger Train Number 2 when it wound up in a collision with passenger Train Number 3.

SP&S 4-4-2 steam locomotive Number 602, Class C-1, wrecked on the Seventh Street trestle at Spokane, Washington on April 5, 1910. On April 4th Number 602 was on passenger Train Number 2 when it wound up in a collision with passenger Train Number 3.