Railroad Archives Online
- CollectionD0197 - Maple Valley Historical Society Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3001 - Bridges
- ItemP1985.103.01-009 - Columbia and Puget Sound Railroad bridge near Taylor, Washington, circa 1915.
- ItemP1985.107.01-012 - Columbia and Puget Sound Railroad bridge at Elliott, Washington, in 1894.
- ItemP1985.122.01-015 - Columbia and Puget Sound Railroad bridge at Maple Valley, Washington, in 1911.
- ItemP1985.125.01-017 - Columbia and Puget Sound Railroad bridge at Maple Valley, Washington, in 1911.