Northern Pacific steam locomotive 2187 clears its cylinder-cocks at Tacoma, Washington circa 1935. Number 2187 is a class Q-4 built by Baldwin in 1909. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive

Northern Pacific steam locomotive 2187 at Tacoma, Washington, on June 13, 1935. Number 2187, a class Q-4 built by Baldwin in 1909, is parked at Tacoma. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2187 at Tacoma, Washington, on April 01, 1935. Number 2187, a class Q-4 built by Baldwin in 1909, is steamed up at the roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2187 at Tacoma, Washington, on October 06, 1936. Number 2187, a class Q-4 built by Baldwin in 1909, is parked at the roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2188 at South Tacoma, Washington, on April 15, 1952. Number 2188 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 2192 at Jamestown, North Dakota, on May 27, 1954. Number 2192 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 2192 at South Tacoma, Washington, on December 08, 1934. Number 2192, a class Q-4 built by Baldwin in 1909, is ready to leave the shops. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2193 leads a passenger train near Allentown, Washington, circa 1941. The Q-4 Pacific was built by Baldwin in 1909, and scrapped in South Tacoma, Washington, in 1951. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific steam locomotive 2193 leads a northbound passenger train at Black River, Washington, circa 1941. The Q-4 Pacific was built by Baldwin in 1909, and scrapped in South Tacoma, Washington, in 1951. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

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