Amtrak diesel locomotive 7110, a switch engine at Washington, District of Columbia on January 23, 1977. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 8760 at Tacoma, Washington in June 1971. Amtrak 9760 leads train number 198 between McCarver Street and Ruston in Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9708 at Ridgefield, Washington on April 6, 1971. Amtrak 9708, ex GN, leads train number 198 at Ridgefield in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9716 at Eagle Gorge, Washington on January 1, 1972. Amtrak 9716 leads train 7 at Eagle Gorge in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9724 at New Stampede, Washington on January 19, 1972. Amtrak 9724 leads train number 8 passed a Rotary Snow Plow at New Stampede in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9724 at Tacoma, Washington on July 2, 1972. Amtrak train number 199 at 15th Street in Tacoma, as it detours southbound via the Prairie Line in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9728 at Tacoma, Washington in 1971. Train number 199 arrives Tacoma Union Station in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9728 at Tacoma, Washington on March 9, 1971. 9728 leads northbound train number 198 at McCarver Street in Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9732 at mile-post 99 near Hot Springs, Washington on August 14, 1972. Amtrak 9732 leads train, first number 7 at mile post 99 on the first subdivision of the Tacoma division in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9750 at Tacoma, Washington on May 2, 1971. Amtrak 9750, ex Spokane, Portland, and Seattle Railway, leads train number 198 at McCarver Street in Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train