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 60-foot, steel wood chip car number 119853 on a siding at Priest River, Idaho, on September 11, 1990. The car is part of the 119700-119999 number series. Photo by GJ Werkema. Other subject classes: freight car, steel wood-chip car

Northern Pacific 59-foot, steel wood chip car number 582517 on a siding at Priest River, Idaho, on September 11, 1990. The car is part of the 582500-582649 number series. Photo by GJ Werkema. Other subject classes: freight car, steel wood-chip car

Northern Pacific 59-foot, steel wood chip car number 582599 on a siding at Priest River, Idaho, on September 11, 1990. The car is part of the 582500-582649 number series. Photo by GJ Werkema. Other subject classes: freight car, steel wood-chip car

Pacific & Idaho Northern Railway streetcar 100 with the baggage door open in Idaho, circa 1932. J.M. Fredrickson collection. Other Subject Classes: streetcar

Potlatch Corporation station at Avery, Idaho, in August 1981. Photo by J.M. Fredrickson. Other Subject Classes: station

Saint Maries River Railroad Electro-Motive Division (EMD) GP-9 diesel locomotive number 102 (former Milwaukee 301) parked at the engine facility in Saint Maries, Idaho, circa 1998. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Saint Maries River Railroad Electro-Motive Division (EMD) GP-9 diesel locomotive number 101 (former Milwaukee 292) parked at the engine facility at Saint Maries, Idaho, circa 1998. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Saint Maries River Railroad Electro-Motive Division (EMD) GP-9 diesel locomotive number 102 (former Milwaukee 301) parked at the engine facility in Saint Maries, Idaho, circa 1998. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive .

Saint Maries River Railroad Electro-Motive Division (EMD) SW1200 diesel locomotive number 501 (former Milwaukee 612) parked at the engine facility in Avery, Idaho, in August 1981. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive , switching locomotive.