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

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

Great Northern Steam Locomotive Number 3101 at Lookout, California, 1950.

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 at Minot, North Dakota, 1955.

Great Northern Steam Locomotive 3101, a 2-8-2, Lookout, California. From the David Emerson Collection, a Vic Reyna photo taken in June 3, 1950.