Soo Line Railroad Company steam locomotive 4011 at St Paul, Minnesota on May 25, 1954. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Soo Line Railroad Company diesel locomotive 2402 at St Paul, Minnesota on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Soo Line Railroad Company diesel locomotive 214-B and 2402 with a freight train at St Paul, Minnesota on June 20, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, caboose

Northern Pacific Transport bus, number B41-20 at Tacoma, Washington, in 1960, being repaired at the Tacoma bus garage. Photo from J.M. Fredrickson Collection. Other Subject Classes: bus, company equipment .

A Northern Pacific heavy switch engine pulls open-end gondola cars at an open-pit iron ore mine on the Lake Superior division circa 1920. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, gondola car, open pit mine.

Northern Pacific steam locomotive number 2223 leads a passenger train at St. Paul, Minnesota, circa 1935. Class Q-4 Pacific-type was built by Baldwin Locomotive Works in 1910, passes Great Northern roundhouse near St. Paul Union Station. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train, roundhouse, railroad yard

Northern Pacific steam locomotive 975 at Seattle, Washington, circa 1890. Number 975 is a class K-1 built by Baldwin in 1882. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 972, circa 1920. Number 972 is a class K-1 built by Baldwin in 1882. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 924 at South Tacoma, Washington, circa 1915. Number 924 is a class L-5 built by Rogers in 1899. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 83 at Brainerd, Minnesota, on June 14, 1916. Number 83 is a class F-3 built by Baldwin in 1888. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo