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
- 931 more...
- ItemJMF00-00400.0 - Northern Pacific steam locomotive 1170 at Staples, Minnesota, in 1950.
- ItemJMF00-00401.0 - Northern Pacific steam locomotive 1171 at Pasco, Washington, in 1948.
- ItemJMF00-00402.0 - Northern Pacific steam locomotive 1171 at Pasco, Washington, in 1949.
- ItemJMF00-00403.0 - Northern Pacific steam locomotive 1171 at Pasco, Washington, in 1949.
- ItemJMF00-00404.0 - Northern Pacific steam locomotive 1172 at Northtown, Minnesota, in 1954.
- ItemJMF00-00405.0 - Northern Pacific steam locomotive 1173 at Staples, Minnesota, in 1950.
- ItemJMF00-00406.0 - Northern Pacific steam locomotive 1174 at Pasco, Washington, circa 1950.
- ItemJMF00-00406.1 - Northern Pacific steam locomotive 1174 at Tacoma, Washington, circa 1957.
- ItemJMF00-00407.0 - Northern Pacific steam locomotive 1175 at Duluth, Minnesota, in 1954.
- 1705 more...