Ball and Rod Mills Tucked-into the side of the concentration mill… these machines were meant to crush underground rock into a fine dust for mineral extraction. Related Similar Images ...based on the tags: dirty, heights, machinery, mills, wheels... The tops of the coke stoves. There big filters helped the mill sort through the flour, for additional milling, for example. A closeup of the pulleys atop Manitoba Pool #3 which once pulled conveyor belts full of grain across the cupola building as it was sorted into the silos below. Note the tiled floor between the bucket conveyors and an old mill. There is a flipped tram car about a third of the way down the cliff. RLX These concrete blocks were formed to be solid mounts for machinery. All the metal was scrapped in the late 1990s, leaving these modern ruins. Seagulls love them. Note the pit is filled in here. Colors of the boiler room.