Ball Mill Mounts Short-stack remains of mounts for rod and ball mills, if I was to bet. The concentrator separated junk rock (tails) from the copper and silver ore, to such a point it could be smelted. Related Similar Images ...based on the tags: bolts, brown, clouds, concrete, flooded, reflections, ruins, water... Looking through Workhouse A from the top of a silo. Looking out the second-floor lighthouse office window. On this visit, the last ice of the season was slowly drifting into the harbor. This picture shows the challenges of moving around underground in the base. …a better view of the huge tailings boom stretching outside of the tailings pond. Approaching the power station and its giant stack. The stack replaced four shorter stacks in the 1960s, helping with pollution in the downtown corridor. Taken just after the sun set over Duluth. Don’t you love that green glow? Can you hear the ship’s horn through this picture? In the distance, a semi truck kicks up fresh rain from the highway. As seen from the top of the steel blast door. This battlement-like tower is the first thing one sees coming to Old Taylor from Frankfort.