Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 215 more...
- ItemWWANT252 - Northern Pacific steam locomotive 2249 at Seattle, Washington, circa 1940.
- ItemWWANT253 - Northern Pacific steam locomotive number 2258 at Seattle, Washington, circa 1935.
- ItemWWANT254 - Northern Pacific steam locomotive number 2254 at Argo, Washington, circa 1935.
- ItemWWANT255 - Northern Pacific steam locomotive number 2258 at Seattle, Washington, in 1925.
- ItemWWANT256 - Northern Pacific steam locomotive number 2259 at Seattle, Washington, circa 1935.
- ItemWWANT257 - Northern Pacific steam locomotive number 2259 at Ravensdale, Washington, in 1945.
- ItemWWANT258 - Northern Pacific steam locomotive number 2259 at Argo, Washington, circa 1935.
- ItemWWANT259 - Northern Pacific steam locomotive number 2259 at Argo, Washington, circa 1935.
- ItemWWANT260 - Northern Pacific steam locomotive number 2260 at Seattle, Washington, circa 1930.
- 43 more...