You are looking at the Berkeley Pit in Butte, Montana
The pit contains over 25 Billion gallons of water
The following are the sites I've found on the Web relating to this environmental nigthmare
*� Berkeley
Pit Education Committee:� Vary informative site with some of the
history of the Pit,
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school projects, and photos of the pit through the years (like this one)
*� Western
Roundup (High Country News) - Dec. 11, 1995.� A short article
concerning the tragic
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deaths of 340 migrating birds that were found floating in the Pit.
The following are more technical articles relating to the cleanup of the Pit
*� LBL
Currents - Aug. 26, 1994.� Environmentally Friendly Technique
Recovers Metals from
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Waste Water
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