Watertower Through Grimy Window The powerplant and its dedicated water tower supplied steam for heating and mechanical work. Similar Images ...based on the tags: clouds, dirt-roads, grimy, ladders, skyways, water-towers... An unshielded heaframe and single pulley. Shadows of the skylights form a backdrop for rust-welded machines. Everyone loves water towers. Here, the concentrated gold (and silver, and zinc, I would guess) would be loaded into trucks bound for the smelter. Dust explosions were a real risk for grain mills. These funnels helped to filter the air in the mill. The control room for Manitoba Pool Elevator #3 was the most modern of any I saw in Thunder Bay. Apparently, 25 men were working on the day this elevator shut down. Taken several years before the tornado story when the weather, and the condition of the buildings, were nice. About a second after the explosives were triggered. These dump cars moved copper ore to the top of the furnaces… it’s about two stories above ground level.