Mine Levels Levers and indicators to control and track the path of mine cars moving up and down the mine shaft. Note the mine depth indicators would trace paper… this is because the steel cables stretch out over time, so the line length changes with the years. Similar Images ...based on the tags: buttons, cables, gauges, hoists, levers, notes-to-self, rusty... A closeup inside the mill’s power room. Wind blew taconite dust against the walls of these suspended control room, making even the glass appear to rust. A closeup of one of the winding machines that found itself under a leaky section of roof. An emergency slide to help workers evacuate the blending house in an emergency. Debating immigrants. One of my favorite visual feature of grain elevators, especially big ones, is how they repeat. Disabled forklift… I think it’s a Clark. It will be a good harvest. Standing next to the now-demolished records room.