Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series005 - Pacific Coast Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3010 - Miscellaneous Structures
- ItemWWAPC0338 - Pacific Coast Railroad office at Seattle, Washington, circa 1925.
- ItemWWAPC0412 - Pacific Coast Company coal mine at Indian, Washington in 1925.
- ItemWWAPC0433 - W.D. Gibbon General Merchandise store at Maple Valley, Washington, circa 1900.
- ItemWWAPC0454 - Pacific Coast Company coal mine at Black Diamond, Washington in 1917.
- ItemWWAPC0459 - Pacific Coast Coal Company office and general store at Black Diamond, Washington, circa 1910.
- ItemWWAPC0466 - Pacific Coast Coal Company houses at Black Diamond, Washington, circa 1955.
- ItemWWAPC0481 - Pacific Coast Coal Company mine at Coal Creek, Washington, circa 1920.
- 6 more...