| OFR49 Hydrologeologic Framework of Southern New Castle County |
Dugan, B.L., Neimeister, M.P., Andres, A.S. |
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| RI65 Wellhead Protection Area Delineations for the Lewes-Rehoboth Beach Area, Delaware |
Duffy, C.A., Costas, E.M., Andres, A.S. |
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| RI64 Results of Hydrogeologic Studies of the Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
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| RI62 The Cypress Swamp Formation, Delaware |
Andres, A.S., Howard, C.S. |
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| B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware |
Plank, M.O., Woodruff, K.D., Werkheiser, W.H. |
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