Simulated ground-water flow in the Potomac aquifers, New Castle County, Delaware / by Mary M. Martin ; prepared in cooperation with U.S. Army Corps of Engineers and the Delaware Department of Natural Resources and Environmental Control.
|Main Author:||Martin, M. M.|
Towson, Md. : U.S. Geological Survey ; 
> New Castle County.
Groundwater flow > Delaware > New Castle County > Mathematical models.
One folded map in pocket.
vii, 85 p. :
ill., maps ;
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