Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series009 - Logging Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- ItemJMF11-10226.0 - Rayonier Incorporated Diesel Locomotives at Railroad Camp, Washington in March, 1962.
- ItemJMF11-10421.0 - Simpson Timber Company Diesel Locomotive Number 60 at Mcleary, Washington in November, 1975.
- ItemJMF11-10422.0 - Simpson Timber Company Diesel Locomotive Number 600 at Shelton, Washington in 1974.
- ItemJMF11-10423.0 - Simpson Timber Company Diesel Locomotive Number 600 at Shelton, Washington in 1974.
- ItemJMF11-10424.0 - Simpson Timber Company Diesel Locomotive Number 1200 at Shelton, Washington in 1990.
- ItemJMF11-10425.0 - Simpson Timber Company Diesel Locomotive Number 1200 at Shelton, Washington in 1990.
- ItemJMF11-10426.0 - Simpson Timber Company Diesel Locomotive Number 1201 at Shelton, Washington in 1990.
- ItemJMF11-10427.0 - Simpson Timber Company Diesel Locomotives Number 1201 And 1200 at Shelton, Washington in 1990.
- 19 more...