Pacific Coast Railroad freight train at Cedar Mountain, Washington in 1946. Short eastbound train of gondolas, one carrying new railroad ties, led by Consolidation-type steam locomotive number 16. Photo by Harold Hill. Other Subject Classes: freight cars, steam locomotives.

Pacific Coast Railroad and Milwaukee Road steam locomotives Renton, Washington in 1946. Front of Chicago Milwaukee St. Paul and Pacific Railroad Mikado-type steam locomotive number 346 heading west on joint Pacific Coast/Chicago Milwaukee St. Paul and Pacific Railroad mainline meeting Pacific Coast Consolidation-type steam locomotive number 15 in siding while in work train service, track workers observing. Photo by Harold Hill. Other Subject Classes: steam locomotives, railroad mainline, railroad employees.

Engine crews pose with two Oso Logging Company Climax locomotives out on the company line in Washington State, circa 1912. J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, railroad crew

Oregon Portage Railway 0-4-0 steam locomotive "Oregon Pony" on display at Cascade Locks Historical Museum, Oregon, on July 10, 1967. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display

Oahu Railway & Land Company steam locomotive number 6 in 1979. Number 6, a narrow gauge Baldwin 0-4-2T built in May 1889, on display at the Hawaiian Railway Society Museum on Oahu. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Oahu Railway & Land Company steam locomotive number 6 in 1979. Number 6, a narrow gauge Baldwin 0-4-2T built in May 1889, on display at the Hawaiian Railway Society Museum on Oahu. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Oahu Railway & Land Company steam locomotive number 6 in 1979. Number 6, a narrow gauge Baldwin 0-4-2T built in May 1889, on display at the Hawaiian Railway Society Museum on Oahu. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Northwestern Logging Company three-truck Shay steam locomotive number 1 pauses with a loaded log train on a trestle near Kerriston, Washington circa 1925. J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, log train.

Northwestern Logging Company three-truck Shay steam locomotive number 1 pauses with a loaded log train on a trestle near Kerriston, Washington circa 1925. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, log train.