Catwalk Above Overgrown Industry The ‘working’ part of the furnaces are about a story above ground level, so the catwalks snake above the tree line. Related Similar Images ...based on the tags: catwalks, graffiti, grimy, heights, lights, pipes, rusty, skyways... The boiler doors are beautiful, and feature the name of the smelter and mine company. If you like these, check my article on the Mitchell Yards of Hibbing, MN. The building is winking. A handmade sign tracks the progress through the current beet campaign. For this factory, it was about 30 years ago. Perhaps the idea was to pit shifts against each other. Found in one of the rooms that hosted an inpatient chemical dependency unit in its later years. Connect the dots yourself. A rooftop scene. Negative twenty looks much warmer in retrospect, wouldn’t you say? Taken through the window of a gantry crane cab. The generator room was state of the art when it was installed, allowing the complex to use motors and electric lighting ahead of its competitors. Through a section of the tailings boom where mountain winds tore open the sheet metal around the conveyor, I poked my head out. The control room for the whole of the plant. Sinterband here means one of the sintering lines. Temperatures, gasses, mixtures, speeds, and so on were centrally controlled here.