Great Northern Steam Locomotive Number 2579 with passenger train, Class S-2, at Saint Paul, Minnesota, 1948.

Great Northern steam locomotive Number 2579, a 4-8-4 Class S-2, leads the "Dakotan" at Minot, North Dakota on August 26, 1949.

Great Northern Steam Locomotive Number 2579, Class S-2, in front of roundhouse, undated.

Great Northern Steam Locomotive Number 2580 at Minot, North Dakota, 1947.

Great Northern steam locomotive 2580 at Saint Cloud, Minnesota on August 5, 1956. Class S-2. Norm Priebe Collection. Photograph by Vierkant. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive

Great Northern steam locomotive 2580 at Saint Cloud, Minnesota on August 24, 1958. Class S-2. Norm Priebe Collection. Photograph by Vierkant. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive

Great Northern steam locomotive 2580 at Saint Cloud, Minnesota on May 4, 1958. Class S-2. Norm Priebe Collection. Photograph by Vierkant. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive

Great Northern Steam Locomotive 2580, Class S-2, 1954. Photo by Phelps.

Great Northern steam locomotive Number 2580, a 4-8-4, at Rothsay, Minnesota, in October, 1950.

Great Northern steam locomotive 2581 at Havre, Montana on June 25, 1946.