Passengers wait for a train at the Marion, North Dakota depot circa 1915. Located at Milepost 60.2, from the collection of Duane Danielson.

The Northern Pacific Depot at Marion, North Dakota, undated. Located at Milepost 60.2.

An operator in the Northern Pacific Depot at Marion, North Dakota, undated. Located at Milepost 60.2.

Northern Pacific buildings at Martin, Washington, on January 21, 1959. Distant view of snow-covered buildings. Photo by J.M. Fredrickson . Other Subject Classes: town scene

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

McClusky, North Dakota Northern Pacific depot in 1972. Located at Milepost 63.3, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

The Northern Pacific Depot at McGregor, Minnesota, circa 1960. The second depot is pictured, from the Northern Pacific Railroad Historical Association Collection.

The Northern Pacific Depot at McGregor, Minnesota, undated. Located at Milepost 62.1.

The Northern Pacific Depot at McHenry, North Dakota, undated. Located at Milepost 60.2.

McKenzie, North Dakota Northern Pacific depot looking southwest in 1969. Located at Milepost 83.6, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

Burlington Northern 9255 leads a coal train by the McKenzie, North Dakota Northern Pacific depot in the 1990s. Located at Milepost 83.6, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

McMurray, Washington Northern Pacific depot with a standing northbound passenger train, from the Walter W. Ainsworth Collection.

Mercer, North Dakota Northern Pacific depot in 1972. Located at Milepost 76.2, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

Miles City, Montana Northern Pacific depot in 1973. The second depot is pictured. Located at Milepost 78.6, from the Charles W Bohi Collection, photograph by Charles W. Bohi.

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

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. The second depot is pictured. Located at Milepost 78.6.

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

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 Minneapolis, Minnesota, 1891, photograph by T. E. Abbott.

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

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

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

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.

Northern Pacific (Burlington Northern when photographed) depot at Missoula, Montana, night, September 5, 1970.

The Northern Pacific Depot at Missoula, Montana, circa 1890. The second depot is pictured, from the Walter W. Ainsworth Collection.

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

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.

The Northern Pacific Depot at Missoula, Montana, undated. Located at Milepost 119.4.