Burlington Northern diesel locomotive 6636 at Tacoma, Washington, on February 23, 1972. Number 6636 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37176. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6633 at Tacoma, Washington, on May 25, 1971. Number 6633 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37173. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 6632 at Tacoma, Washington, on June 08, 1971. Number 6632 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37172. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6631 at Tacoma, Washington, on February 20, 1972. Number 6631 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37171. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6628 at Tacoma, Washington, on July 18, 1971. Number 6628 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37168. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6628 at Tacoma, Washington, on July 18, 1971. Number 6628 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37168. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6627 at Tacoma, Washington, on June 08, 1971. Number 6627 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37167. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6626 at Tacoma, Washington, on May 30, 1971. Number 6626 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 37166. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6615 at Tacoma, Washington, on December 14, 1971. Number 6615 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 36342. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6606, formerly Great Northern 433, at Tacoma, Washington, on March 05, 1973. Number 6606 is an F45 built by General Motors Electro Motive Division (EMD), builder's number 35110. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.