Burlington Northern diesel locomotive 6242, formerly Chicago, Burlington and Quincy 502, at Tacoma, Washington, on September 27, 1970. Number 6242 is an SD24 built by General Motors Electro Motive Division (EMD), builder's number 25199. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6242 at Tacoma, Washington, on September 27, 1970. Number 6242, an SD24, along with F7A number 608, leads a freight in front of the Tacoma Union Station. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger depot.

Burlington Northern diesel locomotive 6175, formerly Chicago, Burlington and Quincy 373, at Tacoma, Washington in November 1985. Number 6175 is an SD9 built by General Motors Electro Motive Division (EMD), builder's number 20583. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 610, formerly Great Northern 274B, at Tacoma, Washington, on January 21, 1972. Number 610 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 11066. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 610 at Tacoma, Washington, on January 21, 1972. F7A number 610, a former Great Northern unit, is shown ex-Chicago, Burlington and Quincy GP30 number 2225 and C425 number 4260 near Reservation in Tacoma. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 610 at Tacoma, Washington, on January 21, 1972. F7A number 610, a former Great Northern unit, is shown ex-Chicago, Burlington and Quincy GP30 number 2225 and C425 number 4260 near Reservation in Tacoma. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 606, formerly Great Northern 273B, at Tacoma, Washington, on July 24, 1970. Number 606 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 11064. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6020D at Tacoma, Washington in 1970. Train number 147, the Seattle to Portland time freight is led by ex-Northern Pacific (NP) F7A 6020D, ex-NP F7B 6016B and two other ex-NP units near UP Junction. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 602, formerly Great Northern 271B, at Tacoma, Washington, on February 16, 1972. Number 602 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 16097. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 6012A at Tacoma, Washington, on June 18, 1970. Ex-Northern Pacific F7A numbers 6012A and 6019A are shown with Burlington Northern F7B 725 and Spokane, Portland and Seattle C425 317 with a freight in Head of the Bay yard. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train, freight yard.