Builders photo of Construction Number 1566 showing right side of Rapid City, Black Hills and Western Railroad 65 Ton Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, August 1928. This locomotive was used near Rapid City, South Dakota. Photograph by Schauble.

Builder photo of Construction Number 1361 showing right side of R.J. Darnell, Incorporated 32 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, March 1917. This locomotive was used for logging near Batesville, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1170 showing right side of 36 inch gauge Roanoke Railroad and Lumber Company 24 Ton Two Truck Heisler Geared Steam Locomotive Number 22 at Erie, Pennsylvania in October 1909. This locomotive was used in logging near Bath, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1208 showing right side of 36 inch gauge Roanoke Railroad and Lumber Company 18 Ton Two Truck Heisler Geared Steam Locomotive Number 23 at Erie, Pennsylvania, February 1911. This locomotive was used in logging near Bath, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1177 showing right side of Robe Lake Lumber Company 20 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in 1910. This locomotive has the same builders number, 1177, as Charles Estes Number 3 and it appears that either it was rejected by the customer or never delivered. It was to have been used for logging in Arkansas. Of note is it was originally built with air brakes but this was replaced with steam brakes when delivered to Charles Estes. Photograph by Schauble.

Builder photo of Construction Number 1295 showing right side of Rockcastle River Railway 52 Ton Two Truck Heisler Geared Steam Locomotive Number 1 "Jane" at Erie, Pennsylvania, March 1914. This locomotive was used for logging near Bond, Kentucky. Photograph by Schauble.

Builder photo of Construction Number 1551 showing right side of Roddis Lumber and Veneer Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, August 1927. This locomotive was used for logging near Park Falls, Wisconsin. Photograph by Schauble.

Builder photo of Construction Number 1246 showing right side of Rowlesburg and Southern Railroad 32 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, January 1912. This company was controlled by Glade Lumber Company and the locomotive was used for logging near Erwin, West Virginia. Photograph by Schauble.

Builder photo of Construction Number 1207 showing right side of Russe and Burgess, Incorporated 50 Ton Two Truck Heisler Geared Steam Locomotive Number 11 at Erie, Pennsylvania, September 1910. This locomotive was used for logging near Isola, Mississippi. Photograph by Schauble. Although labeled as such, this is not a 50 ton locomotive.

Builder photo of Construction Number 1297 showing right side of Russe and Burgess, Incorporated 23 Ton Two Truck Heisler Geared Steam Locomotive Number 12 at Erie, Pennsylvania, April 1914. This locomotive was used for logging near Memphis, Tennessee. Photograph by Schauble.