HM8 Geohydrology of the Middletown-Odessa Area, Delaware |
Woodruff, K.D. |
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HM6 Geohydrology of the Chesapeake and Delaware Canal Area, Delaware |
Woodruff, K.D. |
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OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware |
Lauginiger, E.M., Hartstein, E.F. |
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HM3 Geohydrology of the Wilmington Area, Delaware |
Woodruff, K.D. |
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HM2 Geohydrology of the Newark Area, Delaware |
Woodruff, K.D. |
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HM1 Geohydrology of the Dover, Area, Delaware |
Woodruff, K.D. |
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B9 Stratigraphy of the Sedimentary Rocks of Delaware |
Jordan, R.R. |
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