Great Northern Steam Locomotive Number 3250 in front of coal chute, Class O-4, at Minneapolis, Minnesota, 1947.

Great Northern Steam Locomotive 3350, Class O-6, 1946. Photo by Zahn.

Great Northern Steam Locomotive Number 3370 with frieght train, Class O-6, at Minneapolis, Minnesota, 1946.

Great Northern Steam Locomotive Number 3375 at Minneapolis, Minnesota, 1947.

Great Northern Steam Locomotive Number 3375 at Minneapolis, Minnesota, 1955.

Great Northern steam locomotive 3378 at Minneapolis, Minnesota on March 12, 1958. Class O-8. 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 3378 at Minneapolis, Minnesota on August 17, 1958. Class O-8. 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 3378 at Minneapolis, Minnesota on January 8, 1958. Class O-8. 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 3378, Class O-7, 1938. Photo by Graham.

Great Northern steam locomotive 3381 at Minneapolis Junction, Minnesota on March 12, 1958. Class O-8. Norm Priebe Collection. Photograph by Vierkant. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive