Builders photo of Construction Number 1406 showing right side of W.W. Gary Lumber Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 15 at Erie, Pennsylvania, September 1919. This locomotive was used for logging near Percy, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1317 showing right side of 36 inch gauge W.T. Smith Lumber Company 40 Ton Two Truck Heisler Geared Steam Locomotive Number 9 at Erie, Pennsylvania, September 1915. This locomotive was used for logging near Chapman, Alabama. Photograph by Schauble.

Builders photo of Construction Number 1398 showing right side of 36 inch gauge W.T. Smith Lumber Company 40 Ton, Two Truck Heisler Geared Steam Locomotive Number 11 at Erie, Pennsylvania, June 1919. This locomotive was used for logging near Chapman, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1375 showing right side of W.T. Smith Lumber Company 53 Ton, Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, May 1918. This locomotive was used for logging near Chapman, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1347 showing right side of W.P. Brown and Sons Lumber Company 24 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, August 1916. This locomotive was used for logging near Brasfield, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1497 showing right side of W.M. Carney Mill Company 50 Ton, Two Truck Heisler Geared Steam Locomotive Number 104 at Erie, Pennsylvania, January 1924. This locomotive was used for logging near Atmore, Alabama.

Photo of Construction Number 1402 showing right side of Wisconsin-Alabama Lumber Company 75 Ton, Three Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, July 1919. This locomotive was used for logging near Sylacauga, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1390 showing right side of Wisconsin-Alabama Lumber Company 63 Ton, Three Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, February 1919. This locomotive was used for logging near Sylacauga, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1372 showing right side of Wisconsin-Alabama Lumber Company 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania,April 1918. This locomotive was used for logging near Sylacauga, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1187 showing right side of Wisconsin Logging and Timber Company 60 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in January 1910. This locomotive was used in logging near Stella, Washington. Photograph by Schauble.