Klickitat Log and Lumber Company steam locomotive number 7 at Tacoma, Washington, circa 1970. Number 7, a Pacific Coast Shay built in 1929, at the shed of Camp 6 at the Point Defiance Park. Photo by Al Harris, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive .

Klickitat Log and Lumber Company steam locomotive number 7 at Tacoma, Washington, circa 1970. Number 7, a Pacific Coast Shay built in 1929, in action on the Camp 6 tracks at the Point Defiance Park. Photo by Al Harris, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive .

Klondike Mines Railway narrow-gauge 2-6-0 steam locomotive number 1 on display outside the Dawson City Museum, Yukon Territory, circa 1950, built by Brooks in 1881. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, display

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 .

Lake Superior Terminal & Transfer Railway Baldwin 0-8-0 steam locomotive number 9 parked in the snow at Duluth, Minnesota, on April 27, 1950. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, switching locomotive.