Barge Loader Looking from the crane-motor catwalk into the Calumet. The arm shown here with the pulleys looped through it would have been lowered and the bucket conveyor in it would throw grain to waiting ships and boats bound for flour mills and foreign lands. Related Similar Images ...based on the tags: cables, conveyors, cranes, machinery, rusty, sheet-metal... Before each warhead was crated, it was inspected. These ceramic bricks were likely from the fireproof tunnel that connected the elevators. Inside the pilot copper concentrator. There is a cool old air compressor in the corner of the powerhouse. Colors of the boiler room. A rusting disconnect gangway. The smokestack is for a boiler, if I recall. Molten copper pouring being a very dangerous thing to do by hand, this scale measured the load for the “Auto Caster” that actually formed the cooling copper in its molds. Inside the west portal is a big liquid propane hand warmer, for workers to take the cold off their gloves as they handled the switches and doors of Cramer Tunnel. Mamiya GA645 / Kodak Pro 400 Part of the 1917 mill that had a little bit of roof left over it–most of this building was open to the sky. The birds loved it, but everything metal was quickly becoming too unstable to walk on.