Burlington Northern diesel locomotive 6623 at Auburn, Washington, on October 13, 1970. Number 6623, an F45, is shown with SD45 number 6441, F45 number 6614 and ex-Northern Pacific diesel number 248 alongside the Auburn car shop. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, car shop.

Burlington Northern diesel locomotive 6621 at Auburn, Washington, on May 29, 1971. Number 6621 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36348. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6618 at Auburn, Washington, on September 14, 1970. Number 6618 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36345. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6618 at Auburn, Washington, on September 14, 1970. Number 6618, an F45 is alongside GP9 number 250 still lettered for Northern Pacific at the Auburn locomotive shop entrance. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6618 at Auburn, Washington, on September 14, 1970. Number 6618, an F45, is shown with U33C number 5710, SD45 number 6428 and ex-Northern Pacific GP9 number 250 at the Auburn locomotive facility. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6617 at Auburn, Washington, on April 01, 1971. Number 6617 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36344. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6616 at Auburn, Washington in October 1975. Number 6616 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36343. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6616 at Auburn, Washington in October 1975. Number 6616 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36343. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6616 at Auburn, Washington, on September 14, 1970. Number 6616 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36343. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6614 at Auburn, Washington, on May 29, 1971. Number 6614 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36341. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.