Gold Collar Mine Below Grand Army Mine is Gold Collar. A ‘collar’ is the braced section around the portal of a mine shaft. Related Similar Images ...based on the tags: mountains, rocks, ruins, tailings, trees... The company headquarters. Abandoned last time I drove past it, though it is the classiest building in downtown South Bend. A shallow creek traces Illinois Gulch toward the Chain O’ Mines mill. Ball mills are laid out in the sun. It is unclear whether this area was for coal dumping or ore dumping, though the huge dents in the steel plating suggests the latter. Kat dancing down the trestle, which is one of the highest in the state, standing about 100 feet over the road. Mamiya 6/Portra 160 Taken around 11,600 feet. A panorama next to a long abandoned adit. The tram has seen better days. Near the old slag dump there are the remains of the pouring buckets that received the molten steel from the US Steel blast furnaces, filled to the brim with pig iron. They must be incredibly heavy! A long exposure of the side of the coke ovens, lit by the nearby streetlights. The tailings boom is the first and last thing you see when approaching the mountaintop shipwreck.