Door Into the Shaft House Looking toward a void–formerly a hallway to the mineshaft–now a hole in the ground. Similar Images ...based on the tags: black&white, dark, demolition, hallways, shadows, windows... This section retains water and is mostly shaded, so moss has found a way to live in the concrete. Beside the shaft building are two fans on skids, indicating they were used underground. These dump cars moved copper ore to the top of the furnaces… it’s about two stories above ground level. Harsh rail yard lighting throws shadows of broken windows against the line of boilers. Pillsbury from across the Mississippi River and Stone Arch Bridge from the roof of the Washburn Crosby Elevator (aka Gold Medal Flour). The pits have long since been filled so the roundhouse could be used for storage. A rusting disconnect gangway. The smokestack is for a boiler, if I recall. Sunset came fast, and when the good light died inside the Industrial Loft, I walked around the back to find the whole complex glowing.