Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 251 at St. Maries, Idaho, circa 1953. Milwaukee Road Road 251 leads train No. 18 near St. Maries circa 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 6366 at St. Maries, Idaho, undated. Milwaukee Road 6366 leads a passenger train over a viaduct near St. Maries. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train.

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 66, circa 1948. Milwaukee Road Road 66, a 2-6-6-2, switches a cut of cars in a branch line yard. Photo by Ron V. Nixon, J.M Fredrickson collection. Other Subject Classes: steam locomotive, freight yard.

Craig Mountain Lumber Company steam locomotive number 4, a geared, two-truck Heisler, at Winchester, Idaho, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Craig Mountain Lumber Company steam locomotive number 4, a geared, two-truck Heisler, at Winchester, Idaho, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Craig Mountain Lumber Company steam locomotive number 5, a geared, three-truck Climax, parked at Winchester, Idaho, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Craig Mountain Lumber Company steam locomotive number 5, a geared, three-truck Climax, parked at Winchester, Idaho, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Great Northern Steam Locomotive Number 1381, Class H-7 with passenger train at Sandpoint, Idaho, undated. Photo by Shawver.

Great Northern Steam Locomotive Number 3136, Class O-1, with Jordan spreader at Bonners Ferry, Idaho, 1949.

Great Northern Steam Locomotive Number 3136 with Jordan spreader, Class O-1, at Bonners Ferry, Idaho, 1949.