Builders photo showing right side of Bessemer Limestone and Cement Company Two Truck Heisler Geared Steam Locomotive Number 19 at Erie, Pennsylvania, undated. This locomotive was used for mining limestone near Bessemer, Pennsylvania. The locomotive weight, construction number and build date are unknown. Photograph by Schauble.

Builders photo showing right side of Bessemer Limestone and Cement Company Two Truck Heisler Geared Steam Locomotive Number 16 at Erie, Pennsylvania, undated. This locomotive was used for mining limestone near Bessemer, Pennsylvania. The locomotive weight, construction number and build date are unknown. Photograph by Schauble.

Builder photo of Construction Number 1211 showing right side of Belzoni, Hollandale, Inverness and Eastern Railroad 20 Ton Two Truck Heisler Geared Steam Locomotive Number 100 at Erie, Pennsylvania, January 1911. This railroad was controlled by the Belzoni Hardwood Lumber Company and was used in logging near Belzoni, Mississippi. This was one of the Heisler's built with a water tank over the boiler. Photograph by Schauble.

Builder photo of Construction Number 1457 showing right side of Bellgrade Lumber Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, May 1922. This locomotive was used for logging near Louise, Mississippi. Photograph by Schauble.

Builders photo of Construction Number 1397 showing right side of Bellgrade Lumber Company 32 Ton Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, May 1919. This locomotive was used for logging near Louise, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1355 showing right side of Bellgrade Lumber Company 26 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, February 1917. This locomotive was used for logging near Louise, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1219 showing right side of Bellgrade Lumber Company 23 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, January 1911. THIS IS NOT NUMBER 1219 AS THE BUILDER PLATE CLEARLY SHOWS 1207 Photograph by Schauble.

Builder photo of Construction Number 1353 showing right side of 42 inch gauge Bee Tree Lumber Company 40 Ton Two Truck Heisler Geared Steam Locomotive Number 7 "P.J. Lynch" at Erie, Pennsylvania, January 1917. This locomotive was used for logging at Bee Tree, North Carolina and later at Massie's Mill, Virginia and is equipped with outside frame trucks. Photograph by Schauble.

Builder photo of Construction Number 1344 showing right side of 42 inch gauge Bee Tree Lumber Company 40 Ton Two Truck Heisler Geared Steam Locomotive Number 6 "A.M. Kistler" at Erie, Pennsylvania, July 1916. This locomotive was used for logging at Bee Tree, North Carolina and later at Massie's Mill, Virginia. Photograph by Schauble.

Builder photo of Construction Number 1265 showing right side of Beaver Dam Lumber Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, September 1912. This locomotive was used for logging near Earl, Mississippi. Photograph by Schauble.