Union Pacific Railroad diesel locomotive number 731 at Montesano, Washington on September 18, 1975. UP 731, running light over the truss bridge at Montesano in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, truss bridge.

Union Pacific Railroad diesel locomotive number 731 at Montesano, Washington on September 15, 1975. UP 731, a GP30, crosses a trestle near Montesano Washington in 1975. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, trestle bridge.

Burlington Northern diesel locomotive 4194, formerly Northern Pacific 914, at Montesano, Washington, on June 28, 1971. Number 4194, an RS-11 built by American Locomotive Company (ALCO) is leading a freight train with numbers 4191 and 4192. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1298 at Montesano, Washington, on June 28, 1971. Number 1298 is eastbound crossing the Wynoochee River near Montesano. The freight train is traveling from Hoquiam to Centralia. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.