Builder photo of Construction Number 1232 showing right side of Columbia River Lumber Company, Limited 62 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, August 1911. This locomotive was used for logging near Golden, British Columbia. Photograph by Schauble.

Builder photo of Construction Number 1243 showing right side of Columbia River Lumber Company, Limited 60 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, January 1912. This locomotive was used for logging near Golden, British Columbia. Photograph by Schauble.

Photo of Construction Number 48 showing right side of Columbus and Southern Ohio Electric Company 42 ton, Heisler 0-4-0 Fireless Steam Locomotive Number 1 at Columbus, Ohio, undated.

Photo of Construction Number 48 showing right side of Columbus and Southern Ohio Electric Company 42 ton, Heisler 0-4-0 Fireless Steam Locomotive Number 1 at Columbus, Ohio, undated.

Builder photo of Construction Number 1244 showing right side of Comox Logging and Railway Company 62 Ton Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania, January 1912. This locomotive was used for logging near Headquarters, British Columbia. Photograph by Schauble.

Builder photo of Construction Number 1275 showing right side of Coney Lumber Company 42 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, March 1913. This locomotive was used for logging near Baxterville, Mississippi. Photograph by Schauble.

Connecticut Valley Railroad steam locomotive 103 on display at Essex, Connecticut on January 28, 1977. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Copper River & Northwestern Railway steam locomotive number 20, parked at the railway's terminal in Katalla, Alaska circa 1938. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Builder photo of Construction Number 1151 showing right side of Corvallis and Alsea River Railway 42 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania in August 1909. This locomotive was used for logging out of Corvallis, Oregon. Photograph by Schauble.

Cowichan Valley number 1, a Shay class steam locomotive at the British Columbia Forest Discovery Centre in Duncan, British Columbia, in 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive