Builder photo of Construction Number 1392 showing right side of Cairo, Truman and Southern Railroad 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 8 at Erie, Pennsylvania, April 1919. This locomotive was used for logging near Truman, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1326 showing right side of Cairo, Truman and Southern Railroad 24 Ton Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, March 1916. This locomotive was used for logging near Truman, Arkansas. Photograph by Schauble.

Builder photo of Construction Number 1296 showing right side of Cairo, Truman and Southern Railroad 42 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania, March 1914. This locomotive was used for logging near Truman, Arkansas. Photograph by Schauble.

Butte, Anaconda and Pacific Railway Steam Locomotive Number 26, Class F-12, undated.

Butte, Anaconda and Pacific Railway Steam Locomotive Number 23, Class F-12, undated.

Butte, Anaconda and Pacific Railway (BAP) electric locomotive 54 a General Electric 2400 volt boxcab at Anaconda, Montana, July 1955. Photo taken by D.A. Strawn. Other Subject Classes: Locomotive-Electric

Butte, Anaconda and Pacific Railway (BAP) Electric locomotive 202 a General Electric 2480 horsepower, 2400 volt boxcab at Anaconda, Montana, 1955. Photo taken by D.A. Strawn. Other Subject Classes: Locomotive-Electric

Builder's photo of Butte Anaconda & Pacific Railway steam locomotive number 20, a Baldwin 4-6-0 at Philadelphia, Pennsylvania, circa 1912. Photo by Baldwin Locomotive Works, J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, builder's photo.

Builder photo of Construction Number 1109 showing right side of Bunker-Culler Lumber Company 52 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in January 1907. This locomotive was used for logging at Bunker, Missouri. Photograph by Schauble.

Builder photo of Construction Number 1462 showing right side of Buffelen Lumber and Manufacturing Company 63 Ton, Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania, October 1922. This locomotive was used for logging near Eagle Gorge, Washington. Photograph by Schauble.