“Groundwater is, literally, buried treasure, and it is time Australians saw it that way. It is far and away our biggest water reserve. Over the long term it is potentially more valuable even than gold, oil, wheat or coal. And mining and agriculture rely heavily on it. Yet it receives a mere fraction of the attention devoted to these resources.”
http://www.sciencealert.com.au/news/20121501-23004.html
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