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USGS Groundwater Information

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Non-principal aquifer

Color bar in aquifer map color

Link_National Atlas

Aquifers on National Atlas Map Browser

Aquifers' Data
and Description

National Atlas Aquifer Map

USGS links

Water Resources

Groundwater Information

Site links

list of sandstone aquifers


Minor aquifers


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.


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Page Last Modified: Tuesday, 21-Jan-2014 16:37:32 EST