Anteroom Beautiful details in the plaster moulding have been preserved by the sheer height of this room between the cathedral and auditorium. Similar Images ...based on the tags: dark, doors, shadows, staircases... The second most important building at Prize Mine. This seemed to be the newest building on the property. The main staircase of the old hospital had… problems. The back of the mill reads “Red River Milling Company” The beacon was installed in 1938 and removed in the mid-2000s. 2013. A perfect summer day meets a beautiful old roundhouse on the edge of town. The control room floats above the top of the dock atop a spiral staircase. Inside the pilot copper concentrator. Pillsbury from across the Mississippi River and Stone Arch Bridge from the roof of the Washburn Crosby Elevator (aka Gold Medal Flour).