Photo of 30 inch gauge Lukens Steel Company 36 Ton, Two Truck Heisler Geared Steam Locomotive Number 17 at Coatesville, Pennsylvania with a string of slag cars. Note the outside frame trucks.

Lyman Timber Company steam locomotive 6, a Shay 3-truck 90-ton locomotive, at Lyman, Washington. Semi-derelict Lyman Timber Company locomotive; scrapped in 1950. Other subject categories: Locomotive-Steam, Locomotive-Logging

Lyman Timber Company three-truck Shay CN 3038 steam locomotive number 6, derelict, at Hamilton, Washington, circa 1950. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Builder photo of Construction Number 1145 showing right side of right side of Lyndon Lumber Company 42 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania in October 1908. This locomotive was used for logging at Wingate, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1145 showing left side of Lyndon Lumber Company 42 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania in October 1908. This locomotive was used for logging at Wingate, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1174 showing right side of Lyndon Lumber Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania in November 1909. This locomotive was used in logging near Wingate, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1253 showing right side of Mac-A-Mac Corporation 42 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, June 1912. This locomotive was used for logging near Brandreth Lake, New York. Photograph by Schauble.

Builder photo of Construction Number 1391 showing right side of Madison Lumber Company 32 Ton, Three Truck Heisler Geared Steam Locomotive Number500 (?) at Erie, Pennsylvania, April 1919. This locomotive is bit of a mystery as seen in the photo it is unlettered but only with Number 500. Madison Lumber Company is reported to have done logging near Quimby, Mississippi. Photograph by Schauble.

Builders photo of Construction Number 1599 showing right side of Malahat Logging Company, Limited 70 Ton, Three Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, May 1939. This locomotive was used for logging near Port Renfrew, British Columbia. Photograph by Schauble.

Builder photo of Construction Number 1160 showing right side of Manistee Mill Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 9 at Erie, Pennsylvania in May 1909. This locomotive was used on the Manistee and Repton Railroad at Manistee, Alabama. Photograph by Schauble.