Railroad Archives Online
- CollectionD0197 - Maple Valley Historical Society Collection
- Series004 - Pacific Coast Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3010 - Miscellaneous Structures
- ItemP11.14.77 - Pacific Coast Railroad dock at Seattle, Washington in 1951.
- ItemP1985.50.01-001 - Milwaukee Hotel and Milwaukee Bar at Maple Valley, Washington in 1912.
- ItemP1985.51.01-002 - Maple Valley, Washington in 1913.
- ItemP1985.116.01-013 - Road bridge at Maple Valley, Washington in 1909.