Builder photo of Construction Number 1222 showing right side of A.G. Little Lumber Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, February 1911. This locomotive was used for logging near Richardson, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1135 showing right side of A.G. Little Lumber Company 37 Ton Two Truck Heisler Geared Steam Locomotive Number 3 "Graham" at Erie, Pennsylvania in January 1908. This locomotive was used for logging at Clyde, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1356 showing right side of Altoona Northern Railroad 53 Ton Two Truck Heisler Geared Steam Locomotive Number 104 at Erie, Pennsylvania, March 1917. This locomotive was used primarily for hauling coal near Altoona, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1376 showing right side of Altoona Northern Railroad 85 Ton, Three Truck Heisler Geared Steam Locomotive Number 106 at Erie, Pennsylvania, May 1918. This locomotive was used primarily for hauling coal near Altoona, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1463 showing right side of American Sintering Company 26 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, September 1922. This locomotive was used at Hubbard, Ohio. Photograph by Schauble.

Builder photo of Construction Number 1204 showing right side of Amherstburg Stone Quarries 32 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, July 1910. This locomotive was used for quarrying limestone at Amherstburg, Ontario. Photograph by Schauble.

Builder photo of Construction Number 1046 showing right side of 36 inch gauge Amsler and Campbell 20 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania in April 1900. This locomotive was used for logging at Loleta, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1525 showing right side of Anderson-Tully Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, April, 1926. This locomotive was used for logging near Memphis, Tennessee. Photograph by Schauble.

Builder photo of Construction Number 1221 showing right side of Anticosti Island Agency 26 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, March 1911. This locomotive was used for logging on Anticosti Island, Quebec. Photograph by Schauble.

Builder photo of Construction Number 1221 showing right side of Anticosti Island Agency 26 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, March 1911. This locomotive was used for logging on Anticosti Island, Quebec. Photograph by Schauble.