Ball Mills Before the gold could be extracted, the rock was turned to powder. Depending on the size of the steel balls inside the mill, the rock would be reduced to a certain size. So, multiple mills were usually used in stages. Related Similar Images ...based on the tags: collapsing, doors, gears, machinery, mills... A scrapped steam turbine, perhaps. In the background you can see a gutted casing for another turbine. In the many-windowed metal building, the lumberyard buildings and the abandoned starch works buildings are separated by a thick wall of pallets. The Engine House’s boiler, which would have been fired all day all day, virtually from the day the shop opened until the day it closed. Tucked-into the side of the concentration mill… these machines were meant to crush underground rock into a fine dust for mineral extraction. Sawdust is the most classic of insulation materials. Jet Lowe is my inspiration. When ‘men’ meant ‘worker’. A dead work truck rusts near an outbuilding. Everything is marked with a code. Modernity. After demolition in the mid 2000s, this interior door became exterior. I remember walking through the car shed as a teenager. It was a shortcut, if I didn’t get caught.