Amtrak diesel locomotive 9760 at Tacoma, Washington in September 1971. Amtrak 9760 leads train number 198 at Union Pacific Junction in Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9760 at Tacoma, Washington on May 2, 1971. Amtrak 9760 leads train number 199 at McCarver Street in Tacoma in 1971. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9762 at Tacoma, Washington, circa 1971. Amtrak 9762, ex Northern Pacific, leads train number 795 at Tacoma Union Station. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9788 at Livingston, Montana in September 1972. Amtrak 9788 leads train number 10 at Livingston in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9788 at Livingston, Montana on September 2, 1972. Amtrak 9788 makes a station stop with train number 10 at Livingston in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9790 leads train number 9 at Thomas, Washington on August 14, 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9790 east of East Auburn, Washington on August 14, 1972. Amtrak 9790 leads train second number 7 east of East Auburn in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9790 east of East Auburn, Washington on August 14, 1972. Amtrak 9790 leads train second number 7 east of East Auburn in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train

Amtrak diesel locomotive 9794 enters Livingston, Montana on September 2, 1972. Amtrak 9794 leads train number 10 at Livingston in 1972. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, passenger train