SP28 Digital Elevation Model of Delaware |
Wang, L.T. |
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GM17 Geologic Map of the Harbeson Quadrangle, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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OFR44 Storm-Water and Base-Flow Sampling and Analysis in the Delaware Inland Bays Preliminary Report of Findings 1998-2000 |
Ullman, W.J., Andres, A.S., Scudlark, J.R., Savidge, K.B. |
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OFR13 Delaware's Extractive Mineral Industry |
Doyle, R.G., Pickett, T.E. |
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B7 Engineering Materials of Northern New Castle County |
Ward, R.F., Groot, J.J. |
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