Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3010 - Miscellaneous Structures
- 42 more...
- ItemWWASPSL8-037 - Rainier, Oregon, undated
- ItemWWASPSL8-038 - Yeon-Pelton Incline Railroad at Rainier, Oregon, undated
- ItemWWASPSL8-056 - Spokane, Portland, and Seattle (SP&S) Clatskanie, Oregon at Clatskanie, Oregon, July 1908
- ItemWWASPSL8-063 - Columbia River Log Raft at Clatskanie, Oregon, undated
- ItemWWASPSL8-080 - Spokane, Portland, and Seattle (SP&S) Astoria, Oregon December 8, 1922
- ItemWWASPSL8-088 - Astoria, Oregon, 1908
- ItemWWASPSL8-090 - Astoria, Oregon, undated
- ItemWWASPSL8-107 - Astoria, Oregon, undated
- ItemWWASPSL8-109 - Astoria, Oregon, undated
- 32 more...