Drought Said to Claim Trillions of Gallons - NYTimes.com:
"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. The loss is not only forcing farmers to drill deeper wells, it has caused the crust of the earth in the region to rise. A study from the Scripps Institution of Oceanography at the University of California, San Diego, found that the earth’s crust, which is normally weighed down by groundwater, had risen 0.15 inches over the last two years. The rise was most drastic in the California mountains, which have risen more than half an inch. The study was first published in the journal Science on Thursday."
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