Definition of "hydrogeologic" []

• Of or pertaining to hydrogeology (adjective)

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• "A 2008 hydrogeologic study in Garfield County in Colorado, where fracking is extensively used, found evidence of methane and chlorine contamination of groundwater supplies."
• "Management of ground water and evolving hydrogeologic studies in New Jersey: A heavily urbanized and industrialized state in the northeastern United States (Water-resources investigations report) by P. Patrick Leahy"
• "It urged detailed hydrogeologic studies be undertaken before construction."