Builder photo of Construction Number 1123 showing left side of Pacific National Lumber Company 28 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in November 1907. This locomotive was used for logging at National, Washington. Also it should be noted this has been noted as a 28 ton locomotive as well as a 37 ton. Photograph by Schauble.

Builder photo of Construction Number 1173 showing right side of 36 inch gauge Pardee and Curtin Lumber Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 8 at Erie, Pennsylvania, October 1909. This locomotive was used in logging in West Virginia. Photograph by Schauble.

Pennsylvania Railroad diesel locomotive 6893 at Pittsburg, Pennsylvania on July 13, 1964. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Pennsylvania Railroad Interlocking control tower at Pittsburg, Pennsylvania, on July 13, 1964. Photo by J.M. Fredrickson. Other Subject Classes: control tower

Builder photo of Construction Number 1509 showing right side of Penrod-Jurden Company 32 Ton, Two Truck Heisler Geared Steam Locomotive Number 8 at Erie, Pennsylvania, December 1924. This locomotive was used for logging near Tensas, Louisiana. Photograph by Schauble.

Builder photo of Construction Number 1250 showing right side of Perkins Land and Lumber Company 26 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, March 1912. This locomotive was used for logging near Kelso, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1216 showing left side of Perry Iron Company 52 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, February 1911. This locomotive was used in the iron works at Erie, Pennsylvania. Photograph by Schauble.

Builders photo of Construction Number 1593 showing right side of Phelps Dodge Corporation 90 Ton, Three Truck Heisler Geared Steam Locomotive Number 116 at Erie, Pennsylvania, November 1929. This locomotive was used for copper mining on the Copper Queen Branch in Arizona. Photograph by Schauble.

Builder photo of right side of Construction Number 1468 showing Phenix Marble Company 22 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, November 1922. This locomotive was used for quarrying marble near Phenix, Missouri. Photograph by Schauble.

Builder photo of Construction Number 1271 showing right side of 36 inch gauge Pickens and Hacker's Valley Railroad 36 Ton Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, January 1913. This company was controlled by the Mayton Lumber Company and the locomotive was used for logging near Pickens, West Virginia. The locomotive is seen on Lake Shore and Michigan Southern Railroad flat car LS&MS D36126. Photograph by Schauble.

Builder photo of Construction Number 1521 showing right side of Pike County Collieries Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, July 1925. This locomotive was used for mining coal near Oakland City, Indiana. Photograph by Schauble.

Builder photo of Construction Number 1166 showing right side of Pittsburg Iron Ore Company 60 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in September 1909. This locomotive was used in mining iron ore at Mountain Iron, Minnesota. Photograph by Schauble.

Builder photo of Construction Number 1178 showing right side of Pittsburg Iron Ore Company 60 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania in December 1909. This locomotive was used in mining iron ore at Mountain Iron, Minnesota. Photograph by Schauble.

Builder photo of Construction Number 1426 showing right side of Poinsett lumber and Manufacturing Company 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 6 at Erie, Pennsylvania, February 1920. This locomotive was used for logging near Trumann, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1359 showing right side of Pritchard-Wheeler Lumber Company 26 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, April 1917. This locomotive was used for logging near Wisner, Louisiana. Photograph by Schauble.

Builders photo of Construction Number 1394 showing right side of Pritchard-Wheeler Lumber Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 101 at Erie, Pennsylvania, May 1919. This locomotive was used for logging near Wisner, Louisiana. Photograph by Schauble.

Builder's photo of Puget Sound & Cascade Railway Baldwin 2-8-2 steam locomotive number 200 (construction number 44106) at Philadelphia, Pennsylvania, in September 1916. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, builder's photo

Builder's photo of Puget Sound & Cascade Railway Baldwin 2-8-2 steam locomotive number 200 (construction number 44106) at Philadelphia, Pennsylvania, in September 1916. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, builder's photo

Builder photo of Construction Number 1164 showing right side of P.V. Railroad 32 Ton Two Truck Heisler Geared Steam Locomotive Number 3 "Susie" at Erie, Pennsylvania in June 1909. It is not known what P.V. Railroad stands for but this locomotive was controlled by the Hamilton Pitcher Company, notice the logo on the tender of an "H" over a water pitcher. This locomotive was used in logging near Napavine, Washington. Photograph by Schauble.

Builder photo of Construction Number 1442 showing right side of 36 inch gauge Queens Run Refractories Company 40 Ton, Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania, January 1921. This locomotive was used for mining clay for fire bricks near Queens Run, Pennsylvania. Photograph by Schauble. Photograph by Schauble.

Builder photo of Construction Number 1175 showing right side of Quinault Lumber Company 60 Ton Two Truck Heisler Geared Steam Locomotive Number 2 "Chief" at Erie, Pennsylvania, November 1909. This locomotive was used in logging near Raymond, Washington. Photograph by Schauble.

Builder photo of Construction Number 1428 showing right side of Ransom-Benedict Company 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, March 1920. This locomotive was used for logging near Clifty, Tennessee. Photograph by Schauble.

Builders photo of Construction Number 1566 showing right side of Rapid City, Black Hills and Western Railroad 65 Ton Two Truck Heisler Geared Steam Locomotive Number 7 at Erie, Pennsylvania, August 1928. This locomotive was used near Rapid City, South Dakota. Photograph by Schauble.

Builder photo of Construction Number 1361 showing right side of R.J. Darnell, Incorporated 32 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, March 1917. This locomotive was used for logging near Batesville, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1170 showing right side of 36 inch gauge Roanoke Railroad and Lumber Company 24 Ton Two Truck Heisler Geared Steam Locomotive Number 22 at Erie, Pennsylvania in October 1909. This locomotive was used in logging near Bath, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1208 showing right side of 36 inch gauge Roanoke Railroad and Lumber Company 18 Ton Two Truck Heisler Geared Steam Locomotive Number 23 at Erie, Pennsylvania, February 1911. This locomotive was used in logging near Bath, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1177 showing right side of Robe Lake Lumber Company 20 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in 1910. This locomotive has the same builders number, 1177, as Charles Estes Number 3 and it appears that either it was rejected by the customer or never delivered. It was to have been used for logging in Arkansas. Of note is it was originally built with air brakes but this was replaced with steam brakes when delivered to Charles Estes. Photograph by Schauble.

Builder photo of Construction Number 1295 showing right side of Rockcastle River Railway 52 Ton Two Truck Heisler Geared Steam Locomotive Number 1 "Jane" at Erie, Pennsylvania, March 1914. This locomotive was used for logging near Bond, Kentucky. Photograph by Schauble.

Builder photo of Construction Number 1551 showing right side of Roddis Lumber and Veneer Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, August 1927. This locomotive was used for logging near Park Falls, Wisconsin. Photograph by Schauble.

Builder photo of Construction Number 1246 showing right side of Rowlesburg and Southern Railroad 32 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, January 1912. This company was controlled by Glade Lumber Company and the locomotive was used for logging near Erwin, West Virginia. Photograph by Schauble.