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Date: 2014-03-25 17:11:54Hydraulic engineering Geological surveys Aquifers Groundwater Liquid water United States Geological Survey Water resources Hydrogeology Stream gauge Water Hydrology Earth | Statement of Dr. Jerad Bales, Acting Associate Director, Water U.S. Geological Survey Department of the Interior before the Committee on Natural ResourcesAdd to Reading ListSource URL: democrats.naturalresources.house.govDownload Document from Source WebsiteFile Size: 176,80 KBShare Document on Facebook |