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
- 9 more...
- 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
- ItemWWASPSL7-035 - Spokane, Portland, and Seattle (SP&S) Work Train, Box Canyon Trestle, Washington, undated
- ItemWWASPSL7-036 - Spokane, Portland, and Seattle (SP&S) Work Train, Box Canyon Trestle, Washington, undated
- ItemWWASPSL7-037 - Spokane, Portland, and Seattle (SP&S) Work Train, Box Canyon Trestle, Washington, undated
- ItemWWASPSL7-038 - Spokane, Portland, and Seattle (SP&S) Work Train, Box Canyon Trestle, Washington, undated
- 8 more...