Northern Pacific construction buildings at Stampede, Washington Territory, 1887. Frame buildings at the west portal of the Stampede Tunnel, No. 3, during construction, workers, logged hillside. Photo by I.G. Davidson, J.M. Fredrickson collection. Other Subject Classes: construction buildings, tunnel, railroad employee, mountain

Northern Pacific construction buildings at Stampede Pass, Washington Territory, circa 1886. Switchback WT. Switch #5. J.M. Fredrickson collection. Other Subject Classes: construction buildings, tracks,

Northern Pacific car shop at South Tacoma, Washington, circa 1920. Interior of car shop with workers, car repair equipment, boxcar. J.M. Fredrickson collection. Other Subject Classes: repair shop, equipment, railroad employee, freight car

Northern Pacific ski lodge cabin at Martin, Washington, in January 21, 1959. Caretakers cabin taken on hike over top by J.M. Fredrickson and O.D. Patten, in snow. Photo by J.M. Fredrickson . Other Subject Classes: house, mountains

Northern Pacific buildings at Martin, Washington, on January 21, 1959. Distant view of snow-covered buildings. Photo by J.M. Fredrickson . Other Subject Classes: town scene

Northern Pacific bridges number 27 and 30 at Stampede Pass, Washington Territory, 1887. Timber trestles, three levels of switchback. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: bridge, switchback, mountains

Northern Pacific bridges number 24 and 26 at Stampede Pass, Washington Territory, 1887. Timber trestles, mainline, on switchback. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: bridge, switchback, mountains

Northern Pacific bridges number 1 and 3 at Martin, Washington Territory, 1887. Trestles at east end of Stampede Pass switchback. Photo by I.G. Davidson, J.M. Fredrickson collection.. Other Subject Classes: bridge, switchback

Northern Pacific bridge at Deming, Washington looking northwest from Washington State Highway 9 bridge to bridge 110 over Nooksack River; photograph sequence TRWahl0393-0390. Other subject categories: Bridge-Truss, Bridge-Plate Girder, Structure, River

Northern Pacific bridge 19 at Bellingham, Washington. bridge 19 over Whatcom Creek on main track near Albers Feeds. Other subject categories: Bridge-Trestle, , Structure