Northern Pacific steam locomotive 1, also know as the Minnetonka, at St. Paul, Minnesota, circa 1935. The Minnetonka, was built by Smith & Porter in 1870 and is shown parked after restoration at the Mississippi Street engine terminal. Photo by Northern Pacific Railway, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1558 at St. Paul, Minnesota, on July 29, 1934. Number 1558, a class W built by Alco-Brooks in 1906, is parked out of service at St. Paul. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2151 at St. Paul, Minnesota, on September 15, 1946. Number 2151 is a class Q-3 built by Baldwin in 1909. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2168 at St. Paul, Minnesota, on September 16, 1946. Number 2168 is a class Q-3 built by Baldwin in 1909. The locomotive is shown out of service. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2223 at St. Paul, Minnesota, in September 1946. Number 2223 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 2325 at St. Paul, Minnesota, on July 29, 1934. Number 2325, a class T built by Alco-Brooks in 1906, is parked in the deadline. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, deadline

Northern Pacific steam locomotive 2456 at St. Paul, Minnesota, on July 29, 1934. Number 2456, a class T-1 built by Alco-Brooks in 1907, switches the coach yard in St. Paul Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, switcher locomotive

Northern Pacific steam locomotive 2675 at St. Paul, Minnesota, in September 1946. Number 2675 is a class A-4 built by Baldwin in 1941. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 328 at St. Paul, Minnesota, on July 29, 1934. Number 328, a class S-10 built by Alco-Rogers in 1907, snuck up on Herman as he was walking out of a St. Paul tunnel. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 558 at St. Paul, Minnesota, circa 1939. Number 558 is a class D-2 built by Baldwin in 1888. Photo by Robert Graham, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo