Northern Pacific steam locomotive 1760 at Missoula, Montana, on August 23, 1943. Number 1760 is a class W-3 built by Alco-Brooks in 1917. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1624 at Missoula, Montana, on August 01, 1934. Number 1624, a class W built by Alco-Brooks in 1907, is moving around the yard. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1565 at Missoula, Montana, on August 23, 1943. Number 1565 is a class W built by Alco-Brooks in 1906. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1536 at Missoula, Montana, on September 03, 1953. Number 1536 is a class W built by Alco-Brooks in 1905. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1536 at Missoula, Montana, on September 03, 1953. Number 1536 is a class W built by Alco-Brooks in 1905. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1389 at Missoula, Montana, on August 23, 1943. Number 1389 is a class S-4 built by Baldwin in 1902. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1387 at Missoula, Montana, on September 02, 1953. Number 1387 is a class S-4 built by Baldwin in 1902. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1387 at Missoula, Montana, on August 23, 1943. Number 1387 is a class S-4 built by Baldwin in 1902. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1382 at Missoula, Montana, on August 23, 1943. Number 1382 is a class S-4 built by Baldwin in 1902. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1356 at Missoula, Montana, on July 01, 1968. Number 1356, a class S-4 built by Baldwin in 1902, is on display near Missoula Depot. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo