Northern Pacific steam locomotive 1161. Number 1161 is a class L-10 built by Alco-Schenectady in 1912. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1161 at Northtown, Minnesota, on May 01, 1950. Number 1161 is a class L-10 built by Alco-Schenectady in 1912. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1162 at Northtown, Minnesota, on May 01, 1950. Number 1162 is a class L-10 built by Alco-Schenectady in 1912. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1172 at Northtown, Minnesota, on May 25, 1954. Number 1172 is a class G-1 built by Alco-Brooks in 1919. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1181 at Northtown, Minnesota, on May 01, 1950. Number 1181 is a class G-2 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1181 at Northtown, Minnesota, on May 25, 1954. Number 1181 is a class G-2 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1519 at Northtown, Minnesota, on May 25, 1954. Number 1519 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 1519 at Northtown, Minnesota, on May 25, 1954. Number 1519 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 1561 at Northtown, Minnesota, on May 01, 1950. Number 1561 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 1574 at Northtown, Minnesota, on May 25, 1954. Number 1574 is a class W built by Alco-Brooks in 1906. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo