Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series009 - Logging Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3003 - Freight Cars
- ItemJMF11-09959.0 - Fortson Logging Company Log Train at Darrington, Washington, circa 1925.
- ItemJMF11-09960.0 - Fortson Logging Company Log Train at Darrington, Washington, circa 1925.
- ItemJMF11-10077.0 - W.F. Mckay Log Car Number 101 at Tacoma, Washington, circa 1888.
- ItemJMF11-10508.0 - Walville Lumber Company Log Flat Cars at Walville, Washington, circa 1938.
- ItemJMF11-10541.0 - Weyerhaeuser Company Loaded Log Cars at Pe Ell, Washington in May 1975.
- 7 more...