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
- 15 more...
- ItemWWASPSL3-131 - Cement Plant at Vancouver, Washington, undated
- ItemWWASPSL3-132 - Cement Plant at Vancouver, Washington, undated
- ItemWWASPSL3-133 - Cement Plant at Vancouver, Washington, undated
- ItemWWASPSL3-134 - Cement Plant at Vancouver, Washington, undated
- ItemWWASPSL3-135 - Cement Plant at Vancouver, Washington, undated
- ItemWWASPSL4-027 - Spokane, Portland, and Seattle (SP&S) Aerial View at White Salmon, Washington, undated
- ItemWWASPSL4-056 - Spokane, Portland, and Seattle (SP&S) Lyle, Washington Lyle, Washington, undated
- ItemWWASPSL4-063 - Lyle, Washington, undated
- ItemWWASPSL4-064 - Lyle, Washington, undated
- 59 more...