Railroad Archives Online
- CollectionD0197 - Maple Valley Historical Society Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- ItemP2015.06.17-052 - Chicago, Milwaukee, St. Paul and Pacific Railroad diesel locomotive at Maple Valley, Washington in 1980.