The Northern Pacific Depot at Big Timber, Montana, August 14, 1996. The third depot is pictured. Located at Milepost 81.2, photograph by Bob Foley.

The Northern Pacific Depot at Big Timber, Montana, 1911. The second depot is pictured. Located at Milepost 81.2.

The Northern Pacific Depot at Big Lake, Washington, circa 1910, from the James M. Fredrickson Collection.

The Northern Pacific Depot at Berea, North Dakota, 1959, from the collection of Bill Kuebler, photograph by John W. Barriger.

The Northern Pacific Depot at Bellingham, Washington, circa 1966. The second depot is pictured, from the Walter W. Ainsworth Collection.

The Northern Pacific Depot at Bellingham, Washington, circa 1910, from the John A. Phillips III Collection.

The Northern Pacific Depot at Belgrade, Montana, circa 1970, from the Walter W. Ainsworth Collection.

The Northern Pacific Depot at Belgrade, Montana, June 20, 1995. Located at Milepost 34.3, photograph by Bob Foley.

The Northern Pacific Depot at Beach, North Dakota, undated. Located at Milepost 64.6.

The Northern Pacific Depot at Beach, North Dakota, undated. Located at Milepost 64.6.