Polson Logging Company Baldwin 4-6-0 steam locomotive number 18 parked at Railroad Camp, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, logging locomotive.

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

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

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