Builder's photo of Green River Lumber Company steam locomotive number 1, a geared, two-truck Heisler, parked at the Erie, Pennsylvania factory, in 1926. Photo by Heisler Company, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive.

Northern Pacific steam locomotive 4 at Erie, Pennsylvania in 1907. Number 4 is a class V-2 built by Heisler in 1907. Photo by Heisler, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4 at Erie, Pennsylvania in 1907. Number 4 is a class V-2 built by Heisler in 1907. Photo by Heisler, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Builder's photo of Walville Lumber Company two-truck Heisler steam locomotive number 4 at Erie, Pennsylvania, circa 1920. Photo by Heisler Company, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive.

Builder's photo of Wenatchee Valley & Northern Railroad two-truck Heisler steam locomotive number 103 at Erie, Pennsylvania, circa 1925. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, geared locomotive, builder's photo