Great Northern steam locomotive 2505 leading the "Empire Builder" at Minot, North Dakota on July 19, 1938.

Great Northern Steam Locomotive Number 2505 at Portland, Oregon, 1949.

Great Northern Steam Locomotive Number 2505, Class P-2, undated.

Great Northern Steam Locomotive 2506, Class P2 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive Number 2506 at Portland, Oregon, 1947.

Great Northern steam locomotive 2506, undated. Class P-2. Norm Priebe Collection. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive

Great Northern Steam Locomotive Number 2506, Class P-2, undated.

Great Northern Steam Locomotive 2507, Class P2 in Hillyard, Washington, undated. It is missing its front truck. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 2507 at Interbay, Washington in 1947. After recovery from the Puget Sound beach, Number 2507 was stripped of wreckage that impeded towing and returned to the Interbay roundhouse. The locomotive was eventually restored to running condition. It is of class P-2 with wheel arrangement 4-8-2 and 73" diameter drivers to pull fast passenger and the record-holding Great Northern Silk Trains of the mid-twenties. Steam Locomotive 2507, a Class P-2, closeup of cab damage. Photographer Hal Will. Other subject classes: Stm Loco

Great Northern Steam Locomotive 2507 at Interbay, Washington in 1947. After recovery from the Puget Sound beach, Number 2507 was stripped of wreckage that impeded towing and returned to the Interbay roundhouse. The locomotive was eventually restored to running condition. It is of class P-2 with wheel arrangement 4-8-2 and 73" diameter drivers to pull fast passenger and the record-holding Great Northern Silk Trains of the mid-twenties. Steam Locomotive 2507, a Class P-2, hit by slide, broadside view. Photographer Hal Will. Other subject classes: Stm Loco