The Northern Pacific Depot at Wyoming, Minnesota, March 20, 1948, from the Ronald V. Nixon Collection, Museum of the Rockies, Bozeman, Montana, photograph by Ronald V. Nixon.

Northern Pacific steam locomotive 7 at Yacolt, Washington, circa 1910. Number 7 is a Lima Shay. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 7 at Yacolt, Washington, circa 1910. Number 7 is a Lima Shay. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 4 at Yacolt, Washington, circa 1910. Number 4, a Heisler, and number 7, a Lima Shay, are parked at Yacolt with other locomotives. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 157 at Yacolt, Washington, circa 1912. Number 157, a class S built by Schenectady in 1898, poses with her crew. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo, water tank

Northern Pacific steam locomotive 146 at Yacolt, Washington, circa 1920. Number 146 is a class S-1 built by Schenectady in 1899. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Yacolt, Washington, in 1909. Town buildings, Northern Pacific track, station, water tank, standing freight cars and caboose, in snow. Photo by E.R. Stassart, J.M. Fredrickson collection. Other Subject Classes: town scene, commercial building, station, water tank, freight car

Northern Pacific station at Yacolt, Washington, in 1909. Frame station, mixed train standing led by Class D-3 Mogul-type steam locomotive, town street, commercial buildings. Photo by E.R. Stassart, J.M. Fredrickson collection.. Other Subject Classes: station, mixed train, steam locomotive, town scene, commercial building