http://www.nytimes.com/2013/05/20/us/high-plains-aquifer-dwindles-hurting-farmers.html?pagewanted=all
Story exposes the dramatic decline of the high plains aquifer that has been used for decades to water the crops grown on this section of the great plains. We have other aquifers being used, the most famous of which is the Ogalalla aquifer that lies under the proposed route of the Keystone Pipeline. There have been reports for years of the water level dropping there. These aquifers take hundreds, if not thousands of years to replenish. These were probably laid down during the retreat of the last ice age some 10,000 years ago. Should we be concerned?
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