Synopsis:Film about the design and construction of the Horseshoe Bend water reclaimation plant
Shotlist:Horseshoe Bend, Montanta the Yankee Doodle tailings pond. Aerials of Horseshoe Bend water treatment plant. Archive Footage of the Kelly Mine in Butte Montana, miners underground. Footage of subterranean water pumps to move water out of the mine to the Yankee Doodle tailings pond. Footage of the Berkeley pit open cast copper mine, mine vehicles carrying ore, mining explosions. 1982 water pumps in the Kelly mine turned off. Visualisation of water table relationship of Kelly mine and Berkeley Pit. Berkeley pit slowly fills with water from 1990 (Lake Berkley). 342 Snow Geese killed in 1995 by water poisoning, water highly acidic pH 2.5 (contains arsenic, copper, zinc and iron). 10:05:50 Side elevation diagram of Berkeley Pit. Aerials of the red lake water, discussion of the critical water level, and water treatment. 10:07:07 GVs of Horseshoe Bend water treatment plant (water reclamation facility) under construction (a high density sludge plant). Time lapse shots of plant under construction. Detailed discussion of plant operation and design follows (including reactors and clarifiers). Continental pit site discussed. GVs of the headwaters of the Columbia river.