Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3010 - Miscellaneous Structures
- 21 more...
- ItemWWASPSL9-060 - Columbia River Jetty, Fort Stevens, Oregon, 1892
- ItemWWASPSL9-061 - Columbia River Jetty, Fort Stevens, Oregon, undated
- ItemWWASPSL9-062 - Columbia River Jetty, Fort Stevens, Oregon, undated
- ItemWWASPSL9-069 - Gun Battery at Fort Stevens, Oregon, April 1897
- ItemWWASPSL9-070 - Gun Battery at Fort Stevens, Oregon, undated