Builder photo of Construction Number 1466 showing right side of 42 inch gauge Vanderbilt Coal and Coke Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, September 1922. This locomotive was used for mining coal near Connellsville, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1548 showing right side of 48 inch gauge Vera Pocahontas Coal Company 25 Ton, Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, March 1927. This locomotive was used for coal mining near Iaeger, West Virginia. Photograph by Schauble.

Builder photo of Construction Number 1238 showing right side of W&B Railroad 32 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, 1911. No precise information has been found on this locomotive as construction number 1238 is shown in one list as belonging to a locomotive built for the Dehli, Baskin and Southwestern Railroad . Of note is that the locomotive does not have a builders plate. Photograph by Schauble.

Builder photo of Construction Number 1266 showing right side of Walville Lumber Company 62 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, October 1912. This locomotive was used for logging near Walville, Washington. Photograph by Schauble.

Builder's photo of Walville Lumber Company two-truck Heisler steam locomotive number 4 at Erie, Pennsylvania, circa 1920. Photo by Heisler Company, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive.

Builder photo of Construction Number 1547 showing right side of 36 inch gauge Warren-Lamb Lumber Company 42 Ton, Two Truck Heisler Geared Steam Locomotive Number 42 at Erie, Pennsylvania, April 1927. This locomotive was used for logging near Rapid City, South Dakota. Photograph by Schauble.

Builder's photo of Wenatchee Valley & Northern Railroad two-truck Heisler steam locomotive number 103 at Erie, Pennsylvania, circa 1925. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, builder's photo

Builder photo of Construction Number 1267 showing right side of Wenatchee Valley and Northern Railway 62 Ton Two Truck Heisler Geared Steam Locomotive Number 103 at Erie, Pennsylvania, October 1912. This company was controlled by the Lamb-Davis Lumber Company and the locomotive was used for logging near Leavenworth, Washington. Photograph by Schauble.

Builder photo of Construction Number 1365 showing right side of W.G. Mitchell Lumber Company 32 Ton Two Truck Heisler Geared Steam Locomotive Number 23 at Erie, Pennsylvania, September 1917. This locomotive was used for logging near Demopolis, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1293 showing right side of W.H. Scott and Son 23 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, February 1914. This locomotive was used near Falcon, Mississippi. Photograph by Schauble. Photograph by Schauble.