Northern Pacific steam locomotive 2107 at Guilds Lake Yard in Portland, Oregon, circa 1915. Number 2107 is a class Q-1 built by Alco-Schenectady in 1904. Photo by H.H. Arey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2107 leads a doubleheaded passenger train into King Street Station in Seattle, Washington, on June 28, 1924. Train No. 2 left Seattle at 9:15 a.m., and is at Argo Crossing 3.2 miles south of King Street Station. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific steam locomotive 2108 leads a passenger train at Argo, Washington, in 1925. The Q-1 Pacific was built in 1905 and scrapped at South Tacoma, Washington, in 1930. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific steam locomotive 2108 with a passenger train at Argo, Washington, in 1925. The Q-1 Pacific was built in 1905 and scrapped at South Tacoma, Washington, in 1930. Photo by J.A. Turner. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 2108 parked at Guilds Lake Yard in Portland, Oregon, in 1911. Number 2108 is a class Q-1 built by Alco-Schenectady in 1904. Photo by H.H. Arey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2109 smokes up the sky at Argo, Washington, circa 1925. The Q-1 Pacific was built in 1905 and scrapped at South Tacoma, Washington, in 1933. Photo by J.A. Turner. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 2109 in a freight yard at Auburn, Washington, circa 1925. The Q-1 Pacific was built in 1905 and scrapped at South Tacoma, Washington, in 1933. Photo by J.A. Turner. Other Subject Classes: steam locomotive, in a freight yard

Northern Pacific steam locomotive 2109 leads a passenger train at King Street Station in Seattle, Washington, circa 1925. The Q-1 Pacific was built in 1905 and scrapped at South Tacoma, Washington, in 1933. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific steam locomotive 2109 in 1916. Number 2109 is a class Q-1 built by Alco-Schenectady in 1904. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2110 at Easton, Washington, on April 15, 1944. Number 2110 is a class Q-1 built by Alco-Schenectady in 1904. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo