About 63 trillion gallons of groundwater have been lost across the West since the start of last year because of a severe drought, a study found. Taken from:  National Briefing | West: Drought Said to Claim Trillions of Gallons ; ;Related ArticlesOn Books Since 1988, Ohio River Dam Project Keeps Rolling AlongDot Earth Blog: From Tree Planting Along a Dirt Road to Car-Free Village LivingSide Street: In the Bronx, an Unlikely Sanctuary for Birds, and People ;

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National Briefing | West: Drought Said to Claim Trillions of Gallons