Northern Pacific snowplow at Stampede Pass, Washington Territory, circa 1887. Steam snowplow and locomotives, workers, on trestle in snow. J.M. Fredrickson collection. Other Subject Classes: snowplow, steam locomotive, bridge, railroad employee, mountains

Northern Pacific steam locomotive at Stampede Pass, Washington Territory, 1887. Decapod-type steam locomotive on construction train, box and flat cars, workers, on bridge number 15. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: steam locomotive, work train, freight car, railroad employee, bridge

Northern Pacific switchback at Stampede Pass, Washington Territory, circa 1887. Switchback, two levels, timber trestles. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: switchback, bridge, mountains

Northern Pacific construction train at Stampede Pass, Washington Territory, in 1887. Steam locomotive and flat cars near summit of switchback as seen across Lizard Lake. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: work train, steam locomotive, freight car, lake, mountains

Road sign at Stampede Pass, Washington, in 1944. "Stampede Pass Elevation 3750, ft." Photo by J.M. Fredrickson . Other Subject Classes: sign

United States weather station at Stampede Pass, Washington, May 30, 1958. Frame government building, weather equipment, Cub Scout group. Photo by J.M. Fredrickson . Other Subject Classes: weather station, people, mountains