Northern Pacific 2681, a class A-5, leads a westbound extra freight up Bozeman Pass at Muir, Montana, in September 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific 2681, a class A-5, leads a westbound extra freight up Bozeman Pass at Muir, Montana, in September 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific steam locomotive 2682 at Dilworth, Minnesota, on May 24, 1954. Number 2682 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2682 at Dilworth, Minnesota, on May 24, 1954. Number 2682 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2682 at Dilworth, Minnesota, on May 24, 1954. Number 2682 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2682 at Dilworth, Minnesota, on May 24, 1954. Number 2682 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2682 at Livingston, Montana, in August 1943. Number 2682 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2683 at Livingston, Montana, on May 23, 1952. Number 2683 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2683 at Livingston, Montana, on May 23, 1952. Number 2683 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2683 at Staples, Minnesota, on May 22, 1952. Number 2683 is a class A-5 built by Baldwin in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo