Northern Pacific steam locomotive 500 poses with crew, circa 1890. Number 500 (old number series) is a class M built by Baldwin in 1886 for service on the Stampede Pass switchbacks. Renumbered to No. 1. in 1897. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4018 awaits its next train at Martin, Washington, in 1944. Number 4018 is a class Z-3 built by Alco-Brooks in 1917. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4015 at Martin, Washington, in July 1944. Number 4015 is a class Z-3 built by Alco-Brooks in 1917. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific 4015 waits at Martin, Washington, for its turn to travel through the Stampede Tunnel number 3 in 1943. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train.

Northern Pacific steam locomotive 4006 at Martin, Washington, in 1944. Number 4006 is a class Z-3 built by Alco-Schenectady in 1913. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 2194 at Martin, Washington, on July 15, 1944. Number 2194 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 2110 leads a passenger train near Martin, Washington, circa 1925. The Q-1 Pacific was built by the American Locomotive Company in Schenectady, New York, in 1905, and scrapped in South Tacoma, Washington, in 1947. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific steam locomotive 2110 leads a local passenger train out of Tunnel numbe 3 at Martin, Washington, on September 5, 1925. Train No. 338 emerges from Stampede Tunnel behind the Q-1 Pacific at 10:42 a.m. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Northern Pacific steam locomotive 210 at Martin, Washington, circa 1886. Number 210 (old number series), built by Portland in 1882, poses during construction of the Stampede Pass line. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, work train, railroad crew

Northern Pacific steam locomotive 210 at Martin, Washington, circa 1886. Number 210 (old number series), built by Portland in 1882, poses during construction of the Stampede Pass line. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, work train, railroad crew