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 .

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

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

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

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 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 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 steam locomotive 93 at Wallace, Idaho, on September 23, 1916. Number 93 is a class F-4 built by Grant in 1887. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo