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
- 224 more...
- 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.
- ItemWWANT264 - Northern Pacific steam locomotive number 2260 at Argo, Washington, circa 1935.
- ItemWWANT265 - Northern Pacific steam locomotive number 2261 at Auburn, Washington, circa 1946.
- ItemWWANT266 - Northern Pacific steam locomotive number 2262 at Black River, Washington, circa 1928.
- ItemWWANT267 - Northern Pacific steam locomotive number 2262 at Argo, Washington, circa 1940.
- ItemWWANT268 - Northern Pacific steam locomotive number 2262 at Seattle, Washington, circa 1928.
- 35 more...