Builder photo of Construction Number 1217 showing right side of Emporia Manufacturing Company 32 Ton Two Truck Heisler Geared Steam Locomotive Number 14 at Erie, Pennsylvania in March 1911. This locomotive was used in logging near Emporia, Virginia. Photograph by Schauble.

Builder photo of Construction Number 1289 showing right side of Emporia Manufacturing Company 32 Ton Two Truck Heisler Geared Steam Locomotive Number 15 at Erie, Pennsylvania, October 1913. This locomotive was used in logging near Emporia, Virginia. Photograph by Schauble.

Builder photo of Construction Number 1280 showing right side of Escambia Railway 52 Ton Two Truck Heisler Geared Steam Locomotive Number 98 at Erie, Pennsylvania, February 1913. This company was controlled by the Alger-Sullivan Lumber Company and the locomotive was used for logging near Century, Florida. Also in this photograph is Sunset Timber Company three truck Heisler Number 1. Photograph by Schauble.

Builder photo of Construction Number 1280 showing right side of Escambia Railway 52 Ton Two Truck Heisler Geared Steam Locomotive Number 98 at Erie, Pennsylvania, February 1913. This company was controlled by the Alger-Sullivan Lumber Company and the locomotive was used for logging near Century, Florida. Photograph by Schauble.

Builder photo of Construction Number 1270 showing right side of Escambia Railway 52 Ton Two Truck Heisler Geared Steam Locomotive Number 99 at Erie, Pennsylvania, February 1913. This company was controlled by the Alger-Sullivan Lumber Company and the locomotive was used for logging near Century, Florida. Photograph by Schauble.

Builder photo of Construction Number 1182 showing right side of Eureka Lumber Company 50 Ton Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania in January 1910. This locomotive was used in logging near Estabutchie, Mississippi. Photograph by Schauble.

Builder photo of right side of Construction Number 1484 showing Falling Rock Cannel Coal Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 36 at Erie, Pennsylvania, June 1923. This locomotive was used for coal mining near Falling Rock, West Virginia. Photograph by Schauble.

Builder photo of Construction Number 1333 showing right side of Fathauer and Hopkins 32 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, April 1916. Information on where this locomotive operated has not been found but it probably was involved in logging in Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1236 showing right side of F.B. Merrill Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, September 1911. While the builders date is noted as September the photograph shows snow on the ground. This locomotive was used for logging near Merrill, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1336 showing front of 24 inch gauge Ferrocarril de Laguna Corporation 22 Ton Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, June 1916. This railroad was controlled by The Laguna Corporation and the locomotive was used for logging near Campeche, Mexico. Only 24 inch gauge Heisler built and is equipped with outside frame trucks. Photograph by Schauble.