Polson Logging Company steam locomotive 51, at Railroad Camp, Washington, circa 1948. Polson number 51, formerly Northern Pacific number 51, class F-1, 2-8-0, built by Baldwin in 1889. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Former Northern Pacific steam locomotive 3100 is in the Polson Logging Company shops at Railroad Camp, Washington, for repairs, circa 1940. Number 3100 was a class Z-1 built by Baldwin in 1910. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Pickering Lumber Company two-truck Hiesler steam locomotive number 2 on display at Tuolumne, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, logging locomotive, display.

Pennsylvania Railroad class T-1 steam locomotive, circa 1950. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

The crew of a Peninsular Railway log train, operated by Simpson Lumber Company, pose with their locomotive in the forest east of Shelton, Washington, circa 1925. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, log train, railroad crew.

Peninsular Railway Company 2-6-2 steam locomotive number 6 parked at Shelton, Washington, circa 1938. Photo by Herman Hunt, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Peninsular Railway Company 2-6-2 steam locomotive number 6 hauling a train of empties near Shelton, Washington, circa 1938. Photo by Herman Hunt, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, log car.

Peninsular Railway Company 2-6-2 steam locomotive number 6 switching a cut of cars near Shelton, Washington, circa 1938. Photo by Herman Hunt, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, box car.

Peninsular Railway Company Baldwin 2-8-2 steam locomotive number 3 at Shelton, Washington, circa 1938. Photo by Herman Hunt, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, passengers