Northern Pacific diesel control center panel at St. Paul, Minnesota, on August 21, 1969. Peg board showing locations of diesel locomotives on Tacoma Division. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment

Northern Pacific diesel control center panel at St. Paul, Minnesota, on August 21, 1969. Peg board showing locations of diesel locomotives on Tacoma Division. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment

Northern Pacific diesel control center panel at St. Paul, Minnesota, on August 21, 1969. Peg board showing locations of diesel locomotives on east end of railroad. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment

Northern Pacific diesel control center at St. Paul, Minnesota, on August 21, 1969. Dispatch office with peg board showing locomotive locations, employee Bill Walters. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment, railroad employee

Northern Pacific diesel control center at St. Paul, Minnesota, on August 21, 1969. Dispatch office with peg board showing locomotive locations, employees Bill Walters and Dick Noble. Photo by J.M. Fredrickson. Other Subject Classes: dispatching equipment, railroad employee

The Northern Pacific Depot at Saint Paul, Minnesota, circa 2000. The second depot is pictured.

The second Saint Paul, Minnesota depot. The second depot is pictured.

Northern Pacific and Great Northern corporate headquarters building in downtown Saint Paul, Minnesota. Located at Milepost 0, from the Ron Fredrickson Collection, photograph by Haynes Photo.

The third Saint Paul, Minnesota depot. The second depot is pictured.

The Northern Pacific Depot at Saint Paul, Minnesota, circa 1900. The second depot is pictured.