Great Northern Steam Locomotive Number 2500, Class P-2, 1923.

Great Northern steam locomotive Number 2500, a 4-8-2, at Auburn, Washington on July 12, 1941.

Great Northern Steam Locomotive Number 2500, Class P-2, in front of water tank, undated.

Great Northern Steam Locomotive 2500, Class P2, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive Number 2501 with passenger train at station platform, Class P-2, at Seattle, Washington, 1945.

Great Northern 2501, a Class P-2 "Mountain" with Train Number 459 at Woodland, Washington, undated

Great Northern steam locomotive Number 2501, a 4-8-2 in Portland, Oregon in August, 1936.

Great Northern steam locomotive Number 2501, a 4-8-2, at Minneapolis, Minnesota, in October, 1948.

Great Northern Steam Locomotive 2501, Class P2, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 2501, Class P2, undated. Photograph by Wade Stevenson.