Amtrak diesel locomotive 9970 at Tacoma, Washington on January 27, 1972. Amtrak 9970 leads southbound train number 199 at 11th Street in Tacoma in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9972 at Tacoma, Washington on December 14, 1971. 9972 leads train number 198 near Union Station at Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak passenger train number 6 at an unknown location in August 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive at New Stampede, Washington on January 19, 1972. Amtrak train number 8 enters Tunnel 4 at New Stampede in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak type F40 on the point of a southbound "Coast Starlight" shortly before entering the North Portland tunnel. The detour was due to a ship striking Burlington Northern Railroad's Willamette River Bridge 5.1 in 1978. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Northbound and southbound "Coast Starlight" meeting at North Portland. The trains were detouring on to the Union Pacific to Portland Union Station due to a ship striking Burlington Northern Railroad's Willamette River Bridge 5.1 in 1978. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel, Train-Passenger.

Amtrak diesel locomotive at Union Station in Tacoma, Washington on December 27, 1971. Train number 11 at Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive at Tacoma, Washington on October 20, 1971. Amtrak 199 at Union Station in Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotives 101 at Spokane, Washington on August 13, 1974. Amtrak 101 and 154 leads train number 791 on the viaduct at Spokane in 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotives, passenger train

Amtrak diesel locomotives 102 and 153 at Seattle, Washington in June 1974. Amtraks 102 and 153 lead train number 792 at North Portal in 1974 Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotives, passenger train