Builder photo of Construction Number 1378 showing right side of Wheeler and Dusenbury Lumber Company 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, July 1918. This locomotive was operated by the Hickory Valley Railroad and was used for logging near Endeavor, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1357 showing right side of Wheeler Lumber Company 47 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, April 1917. This locomotive was not delivered to Wheeler but instead was diverted to John E. Dubois Lumber Company and used for logging at Lake, Mississippi. Photograph by Schauble.

Builders photo of Construction Number 1596 showing right side of White Pine Lumber Company 80 Ton, Three Truck Heisler Geared Steam Locomotive Number 105 "W.T. Bookhamer" at Erie, Pennsylvania, February 1930. This locomotive was used for logging near Bernalillo, New Mexico. Photograph by Schauble.

Builders photo of Construction Number 1569 showing right side of White River Lumber Company 90 Ton, Three Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, September 1928. This locomotive was used for logging near Enumclaw, Washington. Photograph by Schauble.

Builder photo of Construction Number 1328 showing right side of White Star Lumber Company 53 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, February 1916. This locomotive was used for logging near Whites, Washington. Photograph by Schauble.

Builder photo of Construction Number 1520 showing right side of Whitney Engineering Company 70 Ton, Three Truck Heisler Geared Steam Locomotive, No Number, at Erie, Pennsylvania, June 1925. Whitney was a locomotive dealer and this was purchased as a stock locomotive. Later it was sold to Kesterson Lumber Company as Number 2 and was used for logging near Dorris, California. Photograph by Schauble.

Builder photo of Construction Number 1324 showing right side of 36 inch gauge Wilderness Lumber Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, April 1916. This locomotive was used for logging near Nallen, West Virginia. Photograph by Schauble.

Builder photo of Construction Number 1165 showing right side of Winston-Dear Company 23 Ton Two Truck Heisler Geared Steam Locomotive Number 46 at Erie, Pennsylvania in August 1909. This locomotive was used in stripping iron ore mines at Hibbing, Minnesota. 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.

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.