Northern Pacific steam locomotive 367 in 1916. Number 367 is a class E-7 built by Cooke in 1892. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 366, circa 1898. Number 366 is a class E-7 built by Cooke in 1892. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 366 at Granite Falls, Washington, in 1909. Number 366 is a class E-7 built by Cooke in 1892. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 363 in 1916. Number 363 is a class E-1 built by Manchester in 1888. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 361, circa 1920. Number 361 is a class E-1 built by Manchester in 1888. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 36 at Missoula, Montana, on July 16, 1954. The engineer oils number 36 in the freight yard. Number 36 is a class Y built by Schenectady in 1898. Photo by Ron V. Nixon, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, railroad crew, freight yard

Northern Pacific steam locomotive 36 at Missoula, Montana, on August 24, 1943. The crew is boarding number 36, a class Y, which was built by Schenectady in 1898. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 36 at Butte, Montana, on August 19, 1949. Number 36, a class Y built by Schenectady in 1898, poses with its rods down at the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 36 at Butte, Montana, on August 19, 1949. Number 36, a class Y built by Schenectady in 1898, poses with its rods down at the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roundhouse

Northern Pacific steam locomotive 351, circa 1910. Number 351 is a class E-3 built by Baldwin in 1890. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo