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
- 218 more...
- 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.
- ItemWWANT261 - Northern Pacific steam locomotive number 2260 at Seattle, Washington, circa 1940.
- ItemWWANT262 - Northern Pacific steam locomotive number 2260 at Seattle, Washington, circa 1940.
- ItemWWANT263 - Northern Pacific steam locomotive number 2260 at Seattle, Washington, circa 1940.
- 40 more...