B16 Ground-Water Resources of the Piney Point and Cheswold Aquifers in Central Delaware as Determined by a Flow Model |
Leahy, P.P. |
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B15 Digital Model of the Unconfined Aquifer in Central and Southeastern Delaware |
Johnston, R.H. |
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B14 Hydrology of the Columbia (Pleistocene) Deposits of Delaware: An Appraisal of a Regional Water-Table Aquifer |
Johnston, R.H. |
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