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Ground-Water in Virginia George Harlow U.S. Geological Survey 1730 E. Parham Rd Richmond, VA 23228 804-261-2630
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The Hydrologic Cycle
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Ground-Water Use in the United States 34
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Ground-Water-Flow System (Natural Conditions)
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Direction and Rate of Ground-Water Movement
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Ground-water pumpage terms
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Aquifer Material Sand Shell material Crystalline rock Sedimentary rock Carbonates Coal
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Wells
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Physiographic Provinces of Virginia Coastal Plain Piedmont Mesozoic Lowlands Blue Ridge Valley and Ridge Appalachian Plateau
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Hydrogeology of the Appalachian Plateau
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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.
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Hydrogeology of the Blue Ridge and Piedmont http://www.hydro.geos.vt.edu/
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Fractured rock aquifers Crystalline rock aquifers Carbonate rock aquifers
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Evidence of Water Flow in Fractures
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Coastal Plain
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Ground-Water Monitoring Network for Virginia
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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
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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
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