Northern Pacific steam locomotive 2193 at Missoula, Montana, on August 19, 1943. Number 2193 is a class Q-4 built by Baldwin in 1909. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1858 at Missoula, Montana, on August 21, 1943. Number 1858 is a class W-5 built by Alco-Schenectady in 1923. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1818 at Missoula, Montana, on August 21, 1943. Number 1818 is a class W-3 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1816 at Missoula, Montana, on August 20, 1943. Number 1816 is a class W-3 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1811 at Missoula, Montana, on August 20, 1943. Number 1811 is a class W-3 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1809 at Missoula, Montana, on August 20, 1943. Number 1809 is a class W-3 built by Alco-Brooks in 1918. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1808 at Missoula, Montana, on August 25, 1943. Number 1808 is a class W-3 built by Alco-Brooks in 1918. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1767 at Missoula, Montana, on August 23, 1943. Number 1767 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 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