Nez Perce & Idaho Railroad steam locomotive 1 at Nezperce, Idaho, circa 1950. Nez Perce & Idaho 1, formerly Northern Pacific 684 class C-1, 4-4-0, built by Rome, 1883. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Nez Perce & Idaho Railroad steam locomotive 1 at Nezperce, Idaho, circa 1950. Nez Perce & Idaho 1, formerly Northern Pacific number 684, class C-1, 4-4-0, built by Rome, 1883. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Nez Perce & Idaho Railroad steam locomotive 4 at Nezperce, Idaho, circa 1948. Nez Perce& Idaho 4, formerly Northern Pacific number 684, class C-1, 4-4-0, built by Rome, 1883. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Nez Perce & Idaho Railroad steam locomotive 4 at Nezperce, Idaho, circa 1950. Nez Perce & Idaho 1, formerly Northern Pacific number 684, class C-1, 4-4-0, built by Rome, 1883. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Nez Perce & Idaho Railroad steam locomotive 4 at Nezperce, Idaho, circa 1950. Nez Perce & Idaho 1, formerly Northern Pacific number 684, class C-1, 4-4-0, built by Rome, 1883. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Norfolk & Western Railway diesel locomotive 2965 during a major overhaul at Morrison?Knudsen in Boise, Idaho on October 8, 1986. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Northern Pacific 50-foot, single plug door, refrigerator car 97815 is in a train at Idaho Falls, Idaho, on August 19, 1975. The car is part of the 97800-97899 number series. Photo by GJ Werkema. Other subject classes: freight car, refrigerator car

Northern Pacific 40.5-foot, box car number 3020 with plug and sliding doors is in a train at Idaho Falls, Idaho, on August 19, 1975. The car is part of the 3000-3399 number series. Photo by GJ Werkema. Other subject classes: freight car, steel box car

Northern Pacific 2502, a U25C, leads two sisters, 2505 and 2506 on eastbound freight number 600 across the viaduct at Sandpoint, Idaho, on April 15, 1965. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.

Northern Pacific 2502, a U25C, leads two sisters, 2505 and 2506 on eastbound freight number 600 across the viaduct at Sandpoint Idaho, on April 15, 1965. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, freight train.