Burlington Northern viaduct at Weston, Washington, circa 1980. Steel viaduct with Boy Scout troop. Photo by J.M. Fredrickson. Other Subject Classes: bridge, people

Burlington Northern viaduct at Weston, Washington, circa 1985. View of steel viaduct, upper Green River valley. Photo by J.M. Fredrickson. Other Subject Classes: bridge, valley, mountain

Burlington Northern viaduct at Weston, Washington, on June 8, 1970. Steel viaduct, man standing on former NP right of way. Photo by J.M. Fredrickson. Other Subject Classes: bridge, people, railroad right of way

Burlington Northern viaduct at Weston, Washington, on June 8, 1970. View of steel viaduct from below, unidentified man. Photo by J.M. Fredrickson. Other Subject Classes: bridge, people

Burlington Northern viaduct at Weston, Washington, in 1979. View of steel viaduct, upper Green River valley. Photo by J.M. Fredrickson. Other Subject Classes: bridge, valley, mountain

Burlington Northern viaduct at Weston, Washington, in 1979. View of steel viaduct, upper Green River valley. Photo by J.M. Fredrickson. Other Subject Classes: bridge, valley, mountain

Two trains with helpers climb the grade on the Weston Loop east of Lester, Washington, circa 1911. J.M. Fredrickson collection. Other Subject Classes: freight train, steam locomotive.

Northern Pacific passenger train at Weston, Washington, circa 1914. Class S-4 Ten-wheeler-type steam locomotive number 1384 leads a Class Q-3 Pacific locomotive and train under new Green River viaduct, bridge 56, under construction. Copy from Ruth Eckes, photo by Alma Floberg, J.M. Fredrickson collection. Other Subject Classes: passenger train, steam locomotive, bridge