Great Northern Steam Locomotive 3055, Class O1, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3055, Class O1, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive Number 3056 at Duluth, Minnesota, 1953.

Great Northern Steam Locomotive Number 3057, Class O-1, undated.

Great Northern Steam Locomotive Number 3058 at Superior, Wisconsin, 1947.

Great Northern Steam Locomotive Number 3062 at Saint Cloud, Minnesota, 1939.

Great Northern Steam Locomotive Number 3063 at Superior, Wisconsin, 1948.

Great Northern Steam Locomotive Number 3065 at Superior, Wisconsin, 1947.

Great Northern Steam Locomotive Number 3066, Class O-1, undated.

Great Northern Steam Locomotive Number 3067 at Superior, Wisconsin, 1940.