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Fractured zones at the contact between sandstone and shale beds and in fractured novaculite-chert beds are good locations from which wells can obtain water from the Ouachita Mountains aquifer in Arkansas.

 
U.S. Department of the Interior, U.S. Geological Survey
For more information contact: Office of Groundwater
Last modified:   Thursday, 03-Jan-2013 20:01:44 EST
URL: http://   water.usgs.gov/ogw/aquiferbasics/minor.html