Heritage Park Historical Village steam locomotive 2024 leads the Park Train at Calgary, Alberta in August 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train

Heritage Park Historical Village steam locomotive 2024 leads the Park Train at Calgary, Alberta in August 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train

Heritage Park Historical Village steam locomotive 2023 with the Heritage Park Steam Train at Calgary, Alberta in August 1990. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Builders photo of Construction Number 34 showing right side of Hercules Powder Company 40 ton, 0-4-0 Heisler Fireless Steam Locomotive Number 21 at Erie, Pennsylvania, March 1935. This locomotive was used in the explosives plant at Brunswick, Georgia. Photograph by Schauble.

Builder photo of right side of Construction Number 1475 showing Henderson Baker Lumber Company 28 Ton, Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, March 1923.This locomotive was used for logging near Myrtlewood, Alabama. Photograph by Schauble.

Photo looking down on a Heisler two truck locomotive with a diamond type frame being assembled with motor installed and waiting for the boiler at Erie, Pennsylvania. Photograph by Schauble.

Photo looking down on a Heisler two truck locomotive with a diamond type frame being assembled with motor installed and waiting for the boiler at Erie, Pennsylvania. Photograph by Schauble.

Photo looking down on a Heisler three truck locomotive being assembled with motor installed and waiting for the boiler at Erie, Pennsylvania. Photograph by Schauble.

Photo looking down on a Heisler narrow gauge outside frame geared locomotive truck with gear covers and bolster removed at Erie, Pennsylvania. Photograph by Schauble.

Photo of Heisler Locomotive Works horse drawn parade float for parade at Erie, Pennsylvania. Photograph by Schauble.