| GM17 Geologic Map of the Harbeson Quadrangle, Delaware |
Ramsey, K.W., Tomlinson, J.L. |
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| RI46 Shallow Subsurface Temperatures at Selected Locations in Delaware |
Woodruff, K.D. |
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| HM3 Geohydrology of the Wilmington Area, Delaware |
Woodruff, K.D. |
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| OFR18 A Numerical Indicator of Water Conditions for Northern Delaware |
Jordan, R.R., Woodruff, K.D. |
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| OFR13 Delaware's Extractive Mineral Industry |
Doyle, R.G., Pickett, T.E. |
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| HM2 Geohydrology of the Newark Area, Delaware |
Woodruff, K.D. |
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| B7 Engineering Materials of Northern New Castle County |
Ward, R.F., Groot, J.J. |
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