Northern Pacific tracks and buildings at Martin, Washington, circa 1950. View from diesel locomotive cab of mainline and yard, living quarters, east portal of Stampede Tunnel. Max King photo. Photo by Max King, J.M. Fredrickson collection.. Other Subject Classes: track, railroad yard, living quarters, tunnel, mountains

Northern Pacific tunnel at Borup, Washington, in 1914. Old tunnel number 6, new bypass under construction, construction workers. Photo by Corey, J.M. Fredrickson collection.. Other Subject Classes: tunnel, construction workers, track

Northern Pacific bridge and tunnel at Grangeville, Idaho, circa 1910. Colorized postcard view of timber truss bridge, timber tunnel mouth, steam locomotive emerging. J.M. Fredrickson collection. Other Subject Classes: tunnel, bridge, steam locomotive

Northern Pacific tunnel at Hoppers, Montana, May 23, 1952. Looking toward two-track tunnel in process of being daylighted, mainline being single-tracked. Photo by J.M. Fredrickson. Other Subject Classes: tunnel, track

Northern Pacific tunnel at Hoppers, Montana, May 23, 1952. Two-track tunnel in process of being daylighted, mainline being single-tracked. Photo by J.M. Fredrickson. Other Subject Classes: tunnel, track

Northern Pacific Stampede Tunnel at Martin, Washington, circa 1944. East portal and snowshed of tunnel, station, signal, outbuildings, in heavy snow. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, station, signal

Northern Pacific tracks at Martin, Washington, in February 1945. Track and buildings, east portal of Stampede Tunnel, in snow. Photo by J.M. Fredrickson . Other Subject Classes: track, town scene, tunnel

A view of the UD (South Portal) tower and single-slip switch located at north end of King Street Station, Seattle, Washington. From Great Northern Railway Historical Society Reference Sheet 281.

South portal of Great Northern Railway tunnel at Seattle, Washington. South Portal and interlocking. Other subject classes: Tunnel Portal