Builder photo of right side of Construction Number 1473 showing 36 inch gauge Kitchen Lumber Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, March 1923.This locomotive was used for logging near Fontana, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1137 showing right side of Kentwood and Eastern Railway 37 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania in January 1908. This locomotive was used for logging at Kentwood, Louisiana. This railway was controlled by the Brooks-Scanlon Company. This locomotive has been listed as both a 37 ton and 36 ton. Photograph by Schauble.

Builder photo of right side of Construction Number 1485 showing Kentucky Lumber Company 55 Ton, Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, June 1923. This locomotive was used for logging near Sulligent, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1417 showing right side of Kelsey Wheel Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, January 1920. This locomotive was used for logging near Floweree, Mississippi. Photograph by Schauble.

Builders photo of Construction Number 1395 showing right side of J.V. Stimson Hardwood Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 12 at Erie, Pennsylvania, May 1919. This locomotive was used for logging near Mellwood, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1300 showing right side of J.V. Stimson Hardwood Company 26 Ton Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, May 1914. This locomotive was used for logging near Mellwood, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1189 showing right side of Johnson Deane Lumber Company 60 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in February 1910. This locomotive was used in logging near Robe, Washington. One of the locomotives with a water tank over the boiler. Photograph by Schauble.

Builder photo of Construction Number 1199 showing right side of Johnson Creek Lumber Company 42 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania in April 1910. This locomotive was used for logging near Rainier, Washington. Photograph by Schauble.

Builder photo of Construction Number 1411 showing right side of J.M. Jones Lumber Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania, February 1920. This locomotive was used for logging near Fondale, Louisiana.

Builder photo of Construction Number 1203 showing right side of J.H. Bonner and Sons 20 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, April 1910. This locomotive was used for logging near Heth, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1319 showing right side of J.F. Prettyman & Sons 40 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania in February 1916. This locomotive was used in logging near Summerville, South Carolina. Photograph by Schauble.

Builder photo of Construction Number 1162 showing right side of J.F. Prettyman & Sons 32 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in June 1909. This locomotive was used in logging near Summerville, South Carolina. Photograph by Schauble.

Builder photo of Construction Number 1419 or 1420 showing right side of James E. Stark and Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 18 at Erie, Pennsylvania, March 1920. This locomotive was used for logging near Osceola, Arkansas. Photograph by Schauble.

Builders photo of Construction Number 1617 showing right side of J. Robert Bazley, Contracting Engineer 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 1617 at Erie, Pennsylvania, July 1937. This locomotive was used for stripping rock at coal mines and the company was headquartered at Pottsville, Pennsylvania. Photograph by Schauble.

Builders photo of Construction Number 1613 showing right side of J. Robert Bazley, Contracting Engineer 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 1613 at Erie, Pennsylvania, July 1933. This locomotive was used for stripping rock at coal mines and the company was headquartered at Pottsville, Pennsylvania. Photograph by Schauble.

Builders photo of Construction Number 1564 showing right side of J. Robert Bazley, Contracting Engineer 42 Ton Two Truck Heisler Geared Steam Locomotive Number 1564 at Erie, Pennsylvania, July 1928. This locomotive was used for stripping rock at coal mines and the company was located at Pottsville, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1291 showing right side of Issaquena Lumber Company 26 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, January 1914. This locomotive was used for logging near Issaquena, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1115 showing right side of Interstate Lumber Company 22 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in February 1907. This locomotive has been noted as being used for logging at Bokoma, Oklahoma but this cannot be confirmed. Photograph by Schauble.

Builders photo of Construction Number 1594 showing right side of International Shoe Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, November 1929. This locomotive was used for logging near Marlinton, West Virginia with the bark of the trees used for tanning leather. Photograph by Schauble.

Builder photo of Construction Number 1549 showing right side of International Lumber Company 55 Ton, Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, March 1927. This locomotive was used for logging near International Falls, Minnesota. Photograph by Schauble.

Photo of interior of Heisler Locomotive Works showing spare parts kept in stock at Erie, Pennsylvania. Photograph by Schauble.

Photo of interior of Heisler Locomotive Works showing spare parts kept in stock at Erie, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1524 showing right side of Indiana State Farm 32 Ton, Two Truck Heisler Geared Steam Locomotive, No Number, at Erie, Pennsylvania, August 1925. This locomotive was used on the state prison farm and was used for quarrying limestone near Greencastle, Indiana. Photograph by Schauble.

Builder's photo of Idaho & Washington Northern Railroad Baldwin 2-8-0 steam locomotive number 26 parked on a turntable at the factory in Philadelphia, Pennsylvania, circa 1920. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.

Builder's photo of Idaho & Washington Northern Railroad Baldwin 4-6-0 steam locomotive number 15 (construction number 31648) parked on a turntable at the factory in Philadelphia, Pennsylvania, circa 1915. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.

Builder photo of Construction Number 1429 showing right side of I.B. Wilcox and Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, March 1920. This locomotive was used for logging near Burdette, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1273 showing right side of Howze Lumber Company, Incorporated 36 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, February 1913. This locomotive was used for logging near McLain, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1464 showing right side of Howe Lumber Company 26 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, October 1922. This locomotive was used for logging near Lakeview, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1254 showing right side of Horse Shoe Lumber Company 62 Ton Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, June 1912. This locomotive was used for logging near River Falls, Alabama. Photograph by Schauble.

Builder photo of Construction Number 1495 showing right side of Homewood Timber Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, February 1924. This locomotive was used for logging near Uriah, Alabama. Photograph by Schauble.