Arched Corridor The third floor corridor is not so welcoming, as it requires visitors to walk along the support breams without the luxury of a floor. I didn’t mind, but I can’t see the family with young children that was also exploring Noisy doing the same. Similar Images ...based on the tags: archways, black&white, doors, floorless, hallways... Typical bunk rooms in MS-20. A sizable crane on the corner of the engine house still swings out. An exit from the concourse. On the ground floor of the main factory there seems to be only one chair left. The side of the maintenance shops, still home to several disassembled electric carts. Shadows of the rusty trestle and cold control towers on the Barker. Workers are preparing to swing over the sides of the boat to help secure her to the Minnesota Power dock. Another ruined spiral staircase in the mill. A huge steam pipe snakes between catwalks, through the floors, and toward the condensers, so the water could be recovered and reused. This bedroom built for a tuberculosis patient has been converted into a safe room.