Burlington Northern diesel locomotive 9778 at Spokane, Washington, on August 19, 1970. Number 9778, an F7A, is leading train number 29, the westbound Mainstreeter. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Burlington Northern diesel locomotive 9778 at Spokane, Washington, on August 19, 1970. Number 9778, an F7A, is leading train number 29, the westbound Mainstreeter. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train.

Burlington Northern diesel locomotive 9778, formerly Northern Pacific 6509C, at Seattle, Washington, on March 17, 1971. Number 9778 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 8733. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 9778, formerly Northern Pacific 6509C, at Seattle, Washington, on March 17, 1971. Number 9778 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 8733. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 9777, formerly Northern Pacific 6506C/ 6017C/ 6006C/ 6552B, at Tacoma, Washington, on July 14, 1971. Number 9777 is an F3B built by General Motors Electro Motive Division (EMD), builder's number 4789. The unit is at Tacoma Union Station. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger depot.

Burlington Northern diesel locomotive 9776, formerly Northern Pacific 6509A, at Tacoma, Washington, on March 30, 1971. Number 9776 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 8732. The unit is leading a passenger train at Tacoma Union Station. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger depot.

Burlington Northern diesel locomotive 9776, formerly Northern Pacific 6509A, at Tacoma, Washington, on March 30, 1971. Number 9776 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 8732. The unit is leading a passenger train at Tacoma Union Station. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger depot.

Burlington Northern diesel locomotive 9776 at East Auburn, Washington, on June 22, 1970. Number 9776, an F7A, leads train number 30, the eastbound Mainstreeter. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train, passenger depot.

Burlington Northern diesel locomotive 9775, formerly Northern Pacific 6505C/ 6017B/ 6006B/ 6551B, at Livingston, Montana, on September 02, 1972. Number 9775 is an F3B built by General Motors Electro Motive Division (EMD), builder's number 3872. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 9774, formerly Northern Pacific 6508C, at Auburn, Washington, on April 14, 1971. Number 9774 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 7149. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.