Dupont narrow-gauge diesel locomotive number 1 at DuPont, Washington, on April 22, 1975, now preserved at the DuPont Historical Society museum. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Dupont narrow-gauge diesel locomotive number 1 at Dupont, Washington, on April 22, 1975, now preserved at the Dupont Historical Society museum. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Burlington Northern diesel locomotive at Dupont, Washington, on April 22, 1975. The Mobase local engine navigates overgrown trackage. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 1882 at Dupont, Washington in June 1976. The Mobase Local, train No. 1225, is led by 1882 and 1915. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.