Railroad Archives Online
- CollectionE0437 - Jim Parker Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 6 more...
- Item47209 - Northern Pacific Diesel Locomotive Number 349, Cle Elum, Washington, 1967
- Item47210 - Northern Pacific Diesel Locomotive Number 364, Livingston, Montana, 1969
- Item47211 - Northern Pacific Diesel Locomotive Number 364, Livingston, Montana, 1969
- Item47212 - Northern Pacific Diesel Locomotive Number 365, Pine River, Minnesota, 1967
- Item47213 - Northern Pacific Diesel Locomotive Number 365, Pine River, Minnesota, 1967
- Item47233 - Northern Pacific Diesel Locomotive Number 372, Pine River, Minnesota, 1967
- Item47234 - Northern Pacific Diesel Locomotive Number 372, Pine River, Minnesota, 1967
- Item47235 - Northern Pacific Diesel Locomotive Number 377, Pasco, Washington, 1968
- Item47236 - Northern Pacific Diesel Locomotive Number 384, Pasco, Washington, 1969
- 25 more...