Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3005 - Maintenance of Way cars
- 5 more...
- ItemWWASPSL7-136 - Oregon Trunk Railway (OT) Work Train, Bend, Oregon, circa 1956
- ItemWWASPSL7-140 - Spokane, Portland, and Seattle (SP&S) Tunnel Collapse, Washington State, undated
- ItemWWASPSL7-145 - Spokane, Portland, and Seattle (SP&S) Work Train, White Salmon River, Washington, undated
- ItemWWASPSL7-146 - Spokane, Portland, and Seattle (SP&S) Steam Shovel, Oregon State, undated
- ItemWWASPSL4-020 - Spokane, Portland, and Seattle (SP&S) Crane X-11 at Underwood, Washington, undated
- ItemWWASPSL7-116 - Spokane, Portland, and Seattle (SP&S) Crane X-11, Washington State, undated
- ItemWWASPSL7-117 - Spokane, Portland, and Seattle (SP&S) Crane X-11, Washington State, undated
- ItemWWASPSL6-008 - Spokane, Portland, and Seattle (SP&S) Crane X35 Working on Bridge G-2-1 on Goldendale Branch, Washington, October 1958
- ItemWWASPSL7-034 - Spokane, Portland, and Seattle (SP&S) Work Train, Box Canyon Trestle, Washington, undated
- 12 more...