Soo Line tower at Minot, North Dakota, undated. Soo tower at the rail line crossing, photograph by Harold Hall, from the Norm Keyes Collection.

Great Northern tower at Minot, North Dakota, undated. Soo tower at the rail line crossing, photograph by Harold Hall, from the Norm Keyes Collection.

Minot, North Dakota second Great Northern-Soo Line crossing tower looking northwest in July 1987. Photograph by Charles W. Bohi.

Minot, North Dakota first in Great Northern-Soo Line crossing tower looking northeast in July 1981. Photograph by Charles W. Bohi.

Great Northern Gavin Yard Car Repair Shop, photo used in 1956 Gavin Yard brochure. The caption reads: "Car Repair Shop is a model of progressive planning. It is 144x300 feet in size and contains a blacksmith shop, wood-working shop, airbrake room, oil room, and a stores and tool room. Movement of cars through the shop is by a winch. This complete facility upgrades freight cars - so that they provide a cleaner, more efficient service for Great Northern shippers.". Other subject categories: Shops

Great Northern Railway work train on Gassman Coulee bridge at Minot, North Dakota in 1969. Other subject classes: Bridge

Great Northern Railway Work train on Gassman Coulee bridge at Minot, North Dakota in 1969. Other subject classes: Bridge

Great Northern Railway Turntable and roundhouse at Minot, North Dakota Other subject classes: Roundhouse

Great Northern Railway Roundhouse view at Minot, North Dakota in 1973. Other subject classes: Roundhouse

Great Northern Railway Roundhouse at Minot, North Dakota in 1973. Other subject classes: Roundhouse