| GM27 Geologic Map of the Elkton, Saint Georges, and Delaware City Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W. |
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| GM24 Geologic Map of the Millington, Clayton and Smyrna Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| GM23 Geologic Map of the Seaford West and Seaford East Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |
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| GM22 Geologic Map of the Sharptown, Laurel, Hebron, and Delmar Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| GM21 Geologic Map of the Trap Pond and Pittsville Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W. |
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| GM20 Geologic Map of the Millsboro and Whaleysville Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| GM19 Geologic Map of the Frankford and Selbyville Quadrangles, Delaware |
Tomlinson, J.L., Ramsey, K.W., Andres, A.S. |
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| GM18 Geologic Map of the Bethany Beach and Assawoman Bay Quadrangles, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| GM17 Geologic Map of the Harbeson Quadrangle, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| B8 Water Resources of Sussex County, Delaware |
Rasmussen, W.C., Wilkens, R.A., Beall, R.M. |
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| RI3 Wells for the Observation of Chloride and Water Levels in Aquifers that Cross the Chesapeake and Delaware Canal |
Rasmussen, W.C., Groot, J.J., Beamer, N.H. |
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| B6 The Water Resources of Northern Delaware |
Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C. |
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| B2 Geology and Ground-Water Resources of the Newark Area, Delaware with a Section on the Surface Water Resources |
Groot, J.J., Rasmussen, W.C., Hulme, A.E. |
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