The Northern Pacific Depot at Athena, Oregon, circa 1965, from the Northern Pacific Railroad Historical Association Collection, photograph by Robert W. Johnston.

The Northern Pacific Depot at Athol, Idaho, undated. Located at Milepost 147.4.

The Northern Pacific Depot at Attalia, Washington, circa 1970, from the Walter W. Ainsworth Collection.

The Northern Pacific Depot at Auburn, Washington, 1929, from the Walter W. Ainsworth Collection, photograph by James Fischer.

The Northern Pacific Depot at Auburn, Washington, circa 1910, from the Walter W. Ainsworth Collection, photograph by H. A. Fowler.

The Auburn, Washington depot, located on the Northern Pacific Seattle-Portland mainline. Located at Milepost 139, from the Ron Fredrickson Collection.

The Northern Pacific Depot at Avon, Montana, 1978. Located at Milepost 37.8, photograph by the Burlington Northern Railroad.

The Northern Pacific Depot at Avon, Montana, 2003. Located at Milepost 37.8.

The Northern Pacific Depot at Avon, Montana, undated. Located at Milepost 37.8, from the John A. Phillips III Collection.

The Northern Pacific Depot at Avon, Montana, undated. Located at Milepost 37.8.