Builder photo of Construction Number 1381 showing right side of A.C. White Lumber Company 47 Ton, Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, September 1918. This locomotive was used for logging near Laclede, Idaho. Photograph by Schauble.

Builder photo of Construction Number 1156 showing right side of A.C. White Lumber Company 42 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania in August 1909. This was used for logging out of Laclede, Idaho. Photograph by Schauble.

Builder photo of Construction Number 1288 showing right side of A.C. Manning Logging Company 44 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, October 1913. This locomotive was used for logging near Lake Whatcom, Washington. Photograph by Schauble.

Builder photo of Construction Number 1226 showing right side of A.C. House Lumber Company 20 Ton Two Truck Heisler Geared Steam Locomotive Number 5 at Erie, Pennsylvania, May 1911. This locomotive was used for logging at Weldon, North Carolina. Photograph by Schauble.

Builder photo of Construction Number 1176 showing right side of A.C. House Lumber Company 32 Ton Two Truck Heisler Geared Steam Locomotive Number 4 at Erie, Pennsylvania, December 1909. This locomotive was used in logging near Weldon, North Carolina. Photograph by Schauble.

Builder photo of right side of Construction Number 1483 showing Abernethy Lougheed Logging Company, Limited 65 Ton, Two Truck Heisler Geared Steam Locomotive Number 33 at Erie, Pennsylvania, April 1923. This locomotive was used for logging near Port Haney, British Columbia. Photograph by Schauble.

A Southern Pacific Railroad passenger train and freight train pass at Colfax, California, circa 1925. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train, freight train.

A Northern Pacific passenger train near Seattle, Washington, circa 1935. The locomotive is a Q-5 Pacific. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

A Northern Pacific steam locomotive smokes up the sky at the head of passenger train near Seattle, Washington, circa 1935. The 4-6-2 Pacific was a mainstay of passenger service. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific freight train near Stampede, Washington, circa 1925. A Class Z-3 helper brings up the rear of the long express freight on the Stampede Pass line. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train