The Northern Pacific Depot at Sunnyside, Washington, undated. Located at Milepost 19.8.

Northern Pacific-Chicago Northwestern depot at Ashland, Wisconsin.

Northern Pacific-Chicago Northwestern depot at Ashland, Wisconsin, from the collection of Craig Bluschke, photograph by Craig Bluschke.

The Northern Pacific Depot at Arrow, Idaho, circa 1950, from the James M. Fredrickson Collection, photograph by James M. Fredrickson.

Soo Line Railroad Company depot at Cabott, WI, circa 1925. Soo Line depot Cabott, Wisconsin. J.M. Fredrickson collection. Other Subject Classes: depot

Saunders Tower, track side view, at Saunders, Wisconsin. David Emerson photo, undated.

Northern Pacific locomotive crewmen turn steam locomotive number 328, a Class S-10 Ten-wheeler-type steam locomotive, on the turntable at Grantsburg, Wisconsin, in May 1950. Only front end of locomotive visible. J.M. Fredrickson Collection. Other Subject Classes: railroad crew, steam locomotive, turntable

Northern Pacific steam locomotive 2430 at Superior, Wisconsin on April 27, 1950. Number 2430 is a class T built by Alco-Brooks in 1907. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 2430 at Superior, Wisconsin on April 27, 1950. Number 2430 is a class T built by Alco-Brooks in 1907. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1179 at Superior, Wisconsin on April 27, 1950. Number 1179 is a class G-2 built by Alco-Brooks in 1920. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo