Alaska Railroad diesel locomotive 1502 on display at Yakima, Washington, circa 1978. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

American Smelting and Refining Company (ASARCO) diesel locomotive number 52 switching cars at the Tacoma Smelter at Tacoma, Washington, in October 1969. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

American Smelting and Refining Company (ASARCO) number 52, a General Electric (GE) 44-ton diesel switching locomotive at the Tacoma Smelter at Tacoma, Washington, in October 1969. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.

American Smelting and Refining Company (ASARCO) diesel locomotive number 52 switching cars at the Tacoma Smelter at Tacoma, Washington, in October 1969. Photo by Al Harris, J.M. Fredrickson Collection. Other Subject Classes: diesel locomotive, switching locomotive.

Amtrak diesel locomotive 101 at Seattle, Washington in August 1974. Amtrak 101 leads number 791 into King Street Station at Seattle in 1974 Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 101 at Seattle, Washington on June 23, 1973. Amtrak 101, an F7A serial 7149, is located at Interbay engine facility in Seattle in June 1973. Amtrak 101 is former Burlington Northern 8774, and former Northern Pacific 6508C. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 102, former Burlington Northern 9711 and Burlington Northern 9707 at King Street Station in Seattle, Washington on February 27, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 106 at Seattle, Washington on July 16, 1973. Amtrak 106, an F7A serial number 8738, is located at Interbay engine facility in Seattle July 1973. Amtrak 106 is former Northern Pacfic 6512A, and former Burlington Northern 9784 and was sold to Amtrak August 1, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 122 at Tacoma, Washington in December 1974. Amtrak 122, an F7A serial number 18142, is located in Tacoma in December 1974. Amtrak 122 is former Southern Pacific 6459. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 152, an F7B SN 8742, at Balmer Yard in Seattle, Washington, circa 1978. Amtrak 152 is former Burlington Northern 9747. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train