Northern Pacific steam locomotive 2603 at Missoula, Montana, in 1940. Number 2603, a class A built by Alco-Schenectady in 1926, is parked at the engine facility. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 24 at Missoula, Montana, on August 23, 1943. The yard master talks with the engineer in number 24 which was a class Y-1 built by Schenectady in 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight yard, railroad crew

Northern Pacific steam locomotive 2241 at Missoula, Montana, in August 1943. Number 2241 is a class Q-5 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2239 at Missoula, Montana, in August 1943. Number 2239 is a class Q-5 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2235 at Missoula, Montana, in August 1943. Number 2235 is a class Q-5 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2228 at Missoula, Montana, in August 1943. Number 2228 is a class Q-5 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2213 at Missoula, Montana, on August 01, 1934. Number 2213 is a class Q-4 built by Alco-Schenectady in 1910. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2212 at Missoula, Montana, on August 22, 1943. Number 2212 is a class Q-4 built by Alco-Schenectady in 1910. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2201 at Missoula, Montana, on August 22, 1943. Number 2201 is a class Q-4 built by Baldwin in 1910. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2201 at Missoula, Montana, on August 01, 1934. Number 2201, a class Q-4 built by Baldwin in 1910, is parked at the Missoula roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo