Great Northern Steam Locomotive with passenger train at Whitefish, Montana, undated.

Great Northern Steam Locomotive Number 2508 at Whitefish, Montana, 1940.

Great Northern Steam Locomotive 2510, Class P-2, 1936. Photo by Ron Nixon.

Great Northern Steam Locomotive Number 2510 with passenger train at station platform, Class P-2, at Whitefish, Montana, 1945.

Great Northern Steam Locomotive Number 2587 with passenger train at station platform, Class S-2, at Whitefish, Montana, undated.

Great Northern Steam Locomotive Number 3300 with snow plow on pilot, Class O-5, at Whitefish, Montana, 1934.