Northern Pacific steam locomotive 2660 at Staples, Minnesota, on April 28, 1950. Number 2660 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific 2661, a class A-3, leads an eastbound extra freight train by the passenger depot at Dilworth, Minnesota, on May 20, 1952. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train, passenger depot.

Northern Pacific steam locomotive 2661 at Easton, Washington, in 1943. Number 2661 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2661 at Easton, Washington, in 1943. Number 2661 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2661 at Laurel, Montana, on September 04, 1953. Number 2661 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2662 at Missoula, Montana, on August 19, 1943. Number 2662 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2663 at Livingston, Montana, on June 08, 1955. Number 2663 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2663 at Livingston, Montana, on June 08, 1955. Number 2663 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2663 at Livingston, Montana, on June 08, 1955. Number 2663 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2663 at Livingston, Montana, on June 08, 1955. Number 2663 is a class A-3 built by Baldwin in 1938. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo