Builder photo of Construction Number 1150 showing right side of Bear Creek Mill Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania in January 1909. This locomotive was used at the sawmill at Leakesville, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1523 showing right side of Beach, Rogers and Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania, August 1925. This locomotive was used on the DeFuniak Springs and Northern Railroad for logging near DeFuniak Springs, Florida. Photograph by Schauble.

Builder photo of Construction Number 1202 showing right side of Batesville and South Western Railway 26 Ton Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania in June 1910. This company was controlled by R.J. Darnell, Incorporated and was also known as the Batesville Southwestern Railroad and operated near Batesville, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1450 showing right side of 42 inch gauge Bartholomew Land and Timber Company, Limited 26 Ton, Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, January 1921. This locomotive was used for logging near Te Whetu, New Zealand. Photograph by Schauble.

Builder photo of Construction Number 1301 showing right side of Barrow and Hawkins 26 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, June 1914. This locomotive was used for logging near Dockery, Mississippi. Photograph by Schauble.

S.W.Barker Lumber Company steam locomotive number 23 at Allyn, Washington, circa 1909. Number 23, a 37-ton geared Heisler (construction number 1110, built in 1907). Photo by Max King, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive .

S.W. Barker Lumber Company steam locomotive number 23 at Allyn, Washington, circa 1909. Number 23, a 37-ton geared Heisler (construction number 1110, built in 1907). Photo by Max King, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive .

Baldridge Logging Company steam locomotive number 3 at Maple Valley, Washington in July 1936. Looking up at engine cab, fireman in window. Other Subject Classes: steam locomotives, railroad employees.

Builder photo of right side of Construction Number 1470 showing B. and B. Logging Company 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, November 1922.This locomotive was used for logging near Redmond, Washington. Note: this locomotive was originally built on Construction Number 1436 as a 42 inch gauge locomotive for the Bee Tree Lumber Company but was returned to Heisler and converted to Standard gauge and assigned Construction Number 1470. Photograph by Schauble.

Builders photo of Construction Number 1590 showing right side of Atlantic Gypsum Products Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 6 at Erie, Pennsylvania, October 1929. This locomotive was used for mining gypsum near Cheticamp, Nova Scotia. Photograph by Schauble.