Photo of Construction Number 5001 showing right rear of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is handling a string of gondola cars.

Photo of Construction Number 5001 showing left front of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is handling five slag cars.

Photo of Construction Number 5001 showing right rear of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is handling two hot metal cars.

Photo of Construction Number 5001 showing right front of Wickwire Spencer Steel Company 60 ton Heisler Diesel Electric Locomotive at Buffalo, New York, undated. The locomotive is switching gondola cars loaded with pipe.

Builder photo of Construction Number 1520 showing right side of Whitney Engineering Company 70 Ton, Three Truck Heisler Geared Steam Locomotive, No Number, at Erie, Pennsylvania, June 1925. Whitney was a locomotive dealer and this was purchased as a stock locomotive. Later it was sold to Kesterson Lumber Company as Number 2 and was used for logging near Dorris, California. Photograph by Schauble.

Builder photo of Construction Number 1328 showing right side of White Star Lumber Company 53 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, February 1916. This locomotive was used for logging near Whites, Washington. Photograph by Schauble.

White River Lumber (a Weyerhaeuser company) three-truck Shay steam locomotive number 2, built in 1920, parked at Enumclaw, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive.

White River Lumber (a Weyerhaeuser company) three-truck Shay steam locomotive number 2, built in 1920, parked at Enumclaw, Washington, circa 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive, logging locomotive.

Builders photo of Construction Number 1569 showing right side of White River Lumber Company 90 Ton, Three Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, September 1928. This locomotive was used for logging near Enumclaw, Washington. Photograph by Schauble.

Builders photo of Construction Number 1596 showing right side of White Pine Lumber Company 80 Ton, Three Truck Heisler Geared Steam Locomotive Number 105 "W.T. Bookhamer" at Erie, Pennsylvania, February 1930. This locomotive was used for logging near Bernalillo, New Mexico. Photograph by Schauble.