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Ground-Water in Virginia. George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630. The Hydrologic Cycle. 34. Ground-Water Use in the United States. Ground-Water-Flow System ( Natural Conditions ). Direction and Rate of Ground-Water Movement.
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Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630
34 Ground-Water Use in the United States
Aquifer Material Sand Crystallinerock Carbonates Shell material Sedimentaryrock Coal
Physiographic Provinces of Virginia Coastal Plain Piedmont Mesozoic Lowlands Blue Ridge Valley and Ridge Appalachian Plateau
Hydrogeology of the Valley and Ridge West East ? From: Harlow, G.E., Jr., Orndorff, R.C., Nelms, D.L., Weary, D.J., and Moberg, R.M., U. S. Geological Survey Scientific Investigations Report 2005-5161, p. 30.
Hydrogeology of the Blue Ridge and Piedmont http://www.hydro.geos.vt.edu/
Fractured rock aquifers Carbonate rock aquifers Crystalline rock aquifers
What is an artesian well? http://ga.water.usgs.gov/edu/watercyclesprings.html www.michigan.gov/documents/deq/deq-wb-dwehs-wcu-drillingpluggingflowingwells_209019_7.ppt
Resources • USGS, WRD, Virginia District • http://va.water.usgs.gov/ • USGS, WRD, Office of Ground Water • http://water.usgs.gov/ogw/ • VA Household Water Quality Program • www.wellwater.bse.vt.edu