The Northern Pacific Depot at Missoula, Montana, circa 1890, from the Northern Pacific Railroad Historical Association Collection.

The Northern Pacific Depot at Minneapolis, Minnesota, circa 1969. The second depot is pictured, from the Northern Pacific Railroad Historical Association Collection, photograph by Joe Caron.

The Northern Pacific Depot at Minneapolis, Minnesota, circa 1968. The second depot is pictured.

The Northern Pacific Depot at Minneapolis, Minnesota, circa 1920. The second depot is pictured.

The Northern Pacific Depot at Minneapolis, Minnesota, circa 1910.

The Northern Pacific Depot at Minneapolis, Minnesota, 1891, photograph by T. E. Abbott.

Milnor, North Dakota Northern Pacific depot looking northwest in 1968. Located at Milepost 118.5, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

The Northern Pacific Depot at Milnor, Minnesota, circa 1910.

The Northern Pacific Depot at Miles City, Montana, undated. The second depot is pictured. Located at Milepost 78.6.

The Northern Pacific Depot at Miles City, Montana, undated. Located at Milepost 78.6.