Staff machine for operating trains through single-track territory, as used by Northern Pacific between Stampede and Martin, Washington. Copy from Union Pacific rule book. Photo by J.M. Fredrickson . Other Subject Classes: signal equipment

SP&S diesel locomotive Number 866, an American Locomotive Company (ALCO) FA-1, with an eastbound freight coming out of the Cape Horn tunnel, undated. Photo by Spokane, Portland & Seattle Railway.

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

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.

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

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 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 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 station at Martin, Washington, circa 1916. Station, signal, train order "pulpit" with telegraph operator ready to hand up orders and collect staff, people waiting for train emerging from east portal of Stampede Tunnel, in snow. J.M. Fredrickson collection. Other Subject Classes: station, signal, railroad employee, people, passenger train, tunnel, mountains

Northern Pacific Stampede Tunnel, Washington State, circa 1890. West portal of Stampede Tunnel, with ventilation building, remains of trestle on switchback. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: tunnel, vent plant, bridge, mountains

Northern Pacific Stampede Tunnel at Stampede, Washington, on December 2, 1967. View from cab of diesel locomotive at west portal of tunnel 3, tunnel vent equipment signal, electrical substation, in snow. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, signal, mountains

Northern Pacific ventilation plant at Stampede, Washington, circa 1916. Ventilation equipment for clearing smoke from Stampede Tunnel, under construction, with workers. J.M. Fredrickson collection. Other Subject Classes: tunnel, construction workers

Northern Pacific Stampede Tunnel at Stampede, Washington, circa 1887. West portal and outbuilding during construction, mountain cleared over tunnel alignment. J.M. Fredrickson collection. Other Subject Classes: tunnel, mountains

Northern Pacific Stampede Tunnel at Martin, Washington, in 1943. East portal shrouded in smoke from train, station, train order signal, train order "pulpit," telltale. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, station, train order stand, signal, telltale

Northern Pacific Stampede Tunnel at Martin, Washington, in 1943. East portal shrouded in smoke from train, train order signal, train order "pulpit," telltale. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, train order stand, signal, telltale

Northern Pacific Stampede Tunnel at Martin, Washington, in 1943. Snowshed entance to east portal, in snow. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, snowshed, mountains

Northern Pacific Stampede Tunnel at Martin, Washington, in 1943. View from top of snowshed entance to east portal looking toward station, outbuildings. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, snowshed

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 track east of Martin, Washington, in 1952. Mainline looking east from locomotive cab, new line bypassing old Tunnel 2. Photo by J.M. Fredrickson . Other Subject Classes: track, tunnel, mountains,

Northern Pacific mainline at Stampede, Washington, circa 1918. View west down single track toward east portal of tunnel 4, surrounding mountains. J.M. Fredrickson collection. Other Subject Classes: track, tunnel, mountains

Northern Pacific mainline at Borup, Washington, circa 1970. View from diesel locomotive cab of double track looking timetable east. Photo by J.M. Fredrickson collection.. Other Subject Classes: track

Northern Pacific construction train at Stampede, Washington, circa 1887. 0-4-0 steam locomotive "Ceta," used by Nelson Bennett Contractors, during the construction of Stampede Tunnel, tipping gondolas, construction workers. J.M. Fredrickson collection. Other Subject Classes: construction train, steam locomotive, construction worker, freight car

Northern Pacific construction train at Stampede, Washington, circa 1887. 0-4-0 steam locomotive "Ceta," used by Nelson Bennett Contractors, during the construction of Stampede Tunnel, tipping gondolas, construction workers. J.M. Fredrickson collection. Other Subject Classes: construction train, steam locomotive, construction worker, freight car

Lewis & Clark Railway tunnel portal on the mainline at Battle Ground, Washington, on October 9, 1988. Photo by J.M. Fredrickson. Other Subject Classes: tunnel.

Northern Pacific Stampede Tunnel at Martin, Washington, circa 1960. East portal, snowshed, scout troop on outing walking out of tunnel. Photo by J.M. Fredrickson . Other Subject Classes: tunnel, people, mountain.

Great Northern tunnel at Scenic, Washington, looking northeast into west portal of the Cascade tunnel; bridge over Tye River in foreground. Other subject categories: Track-Rail, Tunnel, Right-of-Way

Great Northern tunnel at Scenic, Washington, looking northeast into west portal of the Cascade tunnel; bridge over Tye River in foreground. Other subject categories: Track-Rail, Tunnel, Right-of-Way, bridge

Great Northern tunnel at East Portal, Washington at entrance to Cascade Tunnel, east side. Other subject categories: Tunnel, Tunnel doors, Structure