Polson Logging Company steam locomotive 51, at Railroad Camp, Washington, circa 1948. Polson number 51, formerly Northern Pacific number 51, class F-1, 2-8-0, built by Baldwin in 1889. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Former Northern Pacific steam locomotive 3100 is in the Polson Logging Company shops at Railroad Camp, Washington, for repairs, circa 1940. Number 3100 was a class Z-1 built by Baldwin in 1910. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

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 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 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 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.

Pickering Lumber Company two-truck Hiesler steam locomotive number 2 on display at Tuolumne, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, logging locomotive, display.

Photo of Construction Number 1105 showing left side of Pickering Lumber Company 52 Ton, Two Truck Heisler Locomotive Number 7 that has plunged through a brdge at the mill at Standard, California, undated.

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.