California drought http://e360.yale.edu/digest/california_agriculture_relying_too_heavily_on_groundwater_in_drought/4195/?utm_source=feedburner&...

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California drought http://e360.yale.edu/digest/california_agriculture_relying_too_heavily_on_groundwater_in_drought/4195/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+YaleEnvironment360+%28Yale+Environment+360%29