Great Northern Steam Locomotive Number 3101 with freight train, Class O-1, at Lookout, California, 1950.

Great Northern Steam Locomotive Number 3101 local freight at depot, Class O-1, at Lookout, California, 1950.

Great Northern Steam Locomotive Number 3101 with freight train, eastbound Sugar Beet Extra, Class O-1, at Grand Forks, North Dakota, 1956.

Great Northern steam locomotive 3100, undated. Class O-1. Norm Priebe Collection. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive

Great Northern Steam Locomotive 3100, Class O1, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive Number 3100, Class O-1, and water tank, undated.

Great Northern Steam Locomotive 3100, Class O-1, 1953. Photo by Felstead.

Great Northern Steam Locomotive Number 3100 at Hillyard, Washington, 1937.

Great Northern Steam Locomotive Number 3100 taking water at water tank, Class O-1, at Hillyard, Washington, 1935.

Great Northern Steam Locomotive Number 31 at Minneapolis, Minnesota, 1940.