Cheratte Shaft No. 3 Looking through the dark door at Shaft 3, when my naked eyes could only make out a staircase lit dimly from above. Related Similar Images ...based on the tags: dark, graffiti, long-exposures, mine-shafts, sepia, staircases, sun-beams, tracks... The roof could be vented when locomotives were running inside. A small machine shop level. Wind blew taconite dust against the walls of these suspended control room, making even the glass appear to rust. The company labs. If you can believe it, this area is even more destroyed today. Death. About two seconds after the explosives were triggered. The rocket system used several cooling methods, once of which included an evaporation pond, pictured here. Inside the pilot copper concentrator. About a century later. A view of the main factory building, looking toward the two furnaces. Looking across the catwalk behind the ore chutes, when they were up, and at the top of the ore chutes during loading.