Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam locomotives
- 2023 more...
- ItemJMF00-01264.0 - Northern Pacific steam locomotive 2206 at South Tacoma, Washington, in 1949.
- ItemJMF00-01265.0 - Northern Pacific steam locomotive 2206 at Tacoma, Washington, in 1937.
- ItemJMF00-01266.0 - Northern Pacific steam locomotive 2208 at South Tacoma, Washington, circa 1947.
- ItemJMF00-01267.0 - Northern Pacific steam locomotive 2208 at South Tacoma, Washington, circa 1947.
- ItemJMF00-01268.0 - Northern Pacific steam locomotive 2208 at South Tacoma, Washington, in 1934.
- ItemJMF00-01269.0 - Northern Pacific steam locomotive 2209 at Easton, Washington, in 1943.
- ItemJMF00-01270.0 - Northern Pacific steam locomotive 2209.
- ItemJMF00-01270.1 - Northern Pacific steam locomotive 2211 at Tacoma, Washington, in 1940.
- ItemJMF00-01271.0 - Northern Pacific steam locomotive 2211 at Tacoma, Washington, in 1934.
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