This is one of the ore pits west of town. I want to go back out there and get more video it is a large area and I think the pits up against the mountain are larger than this one. I got permission to fly here but the guard warned me that if the drone went down in the pit it was gone. I can see why once I got up in the air. I would bet that water is pretty caustic they didn't have all the rules they do now about spilling oil or fuel on the ground. Those big shovels had to be serviced where they were.