Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2005 - Landscape photography
- 1 more...
- ItemWWASPSL2-048 - Cascades of the Columbia, Cascades, Washington, undated
- ItemWWASPSL2-049 - Cascades of the Columbia, Cascades, Washington, undated
- ItemWWASPSL2-055 - Bonneville Dam, North Bonneville, Washington, undated
- ItemWWASPSL2-056 - Bonneville Dam, North Bonneville, Washington, undated
- ItemWWASPSL2-087 - Wind Mountain, Washington, undated
- ItemWWASPSL2-088 - Wind Mountain, Washington, undated
- ItemWWASPSL4-022 - White Salmon River near White Salmon, Washington, undated
- ItemWWASPSL4-090 - North Bank of the Columbia River, Washington State, 1903
- ItemWWASPSL4-095 - Columbia River and Mount Hood, Washington State, undated
- 18 more...