Builder photo of Construction Number 1258 showing right side of Trout Creek Logging Company, Limited 26 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, July 1912. This locomotive was used for logging near Trout Creek, Ontario. Photograph by Schauble.

Builder photo of Construction Number 1346 showing right side of T.R. Miller Mill Company, Incorporated 53 Ton Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, September 1916. This locomotive was used for logging near Brewton, Alabama. Photograph by Schauble.

Builder photo of right side of Construction Number 1481 showing Tombigbee Logging Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 9 at Erie, Pennsylvania, March 1923. This locomotive was used for logging near Jackson, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1323 showing right side of 36 inch gauge Tionesta Valley Railway 47 Ton Two Truck Heisler Geared Steam Locomotive Number 18 at Erie, Pennsylvania, April 1916. This locomotive was used for logging near Sheffield, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1323 showing right side of 36 inch gauge Tionesta Valley Railway 47 Ton Two Truck Heisler Geared Steam Locomotive Number 18 at Erie, Pennsylvania, April 1916 while in the shops of Heisler. This locomotive was used for logging near Sheffield, Pennsylvania. Photograph by Schauble.

Builders photo of Construction Number 1409 showing right side of 36 inch gauge Tionesta Valley Railway 40 Ton, Two Truck Heisler Geared Steam Locomotive Number 16 at Erie, Pennsylvania, January 1920. This locomotive was used for logging near Sheffield, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1282 showing right side of Theo. Fathauer Company 23 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, May 1913. This locomotive was used for logging near Helena, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1086 showing left side of The Tyronza and Saint Francis River Railroad 22 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania in February 1906. This railroad was controlled by theTyronza Lumber Company and was used in logging at Earle, Arkansas. One of the early Heislers equipped with a water tank over the boiler. Photograph by Schauble.

Builder photo of Construction Number 1305 showing right side of 36 inch gauge The Dennis-Simmons Lumber Company 22 Ton Two Truck Heisler Geared Steam Locomotive Number 24 at Erie, Pennsylvania, January 1915. This locomotive was used for logging near Kenley, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1492 showing right side of Tendal Lumber Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, July 1923. This locomotive was used for logging near Waverly, Louisiana. Photograph by Schauble.