OFR50 Database of Quaternary Coastal Geochronologic Information for the Atlantic and Pacific Coasts of North America (additional information for sites in Peru and Chile) |
Wehmiller, J.F., Pellerito, V. |
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OFR49 Hydrologeologic Framework of Southern New Castle County |
Dugan, B.L., Neimeister, M.P., 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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RI47 Ages of the Bethany, Beaverdam, and Omar Formations of Southern Delaware |
Groot, J.J., Ramsey, K.W., Wehmiller, J.F. |
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B1 Ground-Water Problems in Highway Construction and Maintenance |
Rasmussen, W.C., Haigler, E.B. |
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