OFR28 Potential for Ground-Water Recharge in the Coastal Plain of Northern New Castle County, Delaware |
Petty, S., Miller, W.D., Lanan, B.A. |
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RI34 Long-Term Chemical-Quality Changes in Selected Delaware Streams |
McKenzie, S.W. |
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RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware |
Shapiro, E., Richards, H.G. |
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B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal |
Organist, D.M., Richards, H.G., Groot, J.J. |
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B1 Ground-Water Problems in Highway Construction and Maintenance |
Rasmussen, W.C., Haigler, E.B. |
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