Kosmos Timber Company three-truck Heisler steam locomotive parked at the engine facility at Kosmos, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Kosmos Timber Company three-truck Heisler steam locomotive parked at the engine facility at Kosmos, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive.

Kosmos Timber Company steam locomotive number 10, a three-truck Heisler parked at the engine facility at Kosmos, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Kosmos Timber Company steam locomotive number 3, a three-truck Shay, parked at the engine facility at Kosmos, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Kosmos Timber Company steam locomotive number 7, a three-truck Heisler, parked at the engine facility at Kosmos, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Kosmos Timber Company steam locomotive number 7 a three-truck Heisler, parked at the engine facility at Kosmos, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .