OFR47 Digital Watershed and Bay Boundaries for Rehoboth Bay, Indian River Bay, and Indian River |
McKenna, T.E., Andres, A.S., Lepp, K.P. |
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GM10 Bedrock Geologic Map of the Piedmont of Delaware and Adjacent Pennsylvania |
Schenck, W.S., Plank, M.O., Srogi, L. |
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B19 Geology and Hydrology of the Cockeysville Formation Northern New Castle County, Delaware |
Plank, M.O., Woodruff, K.D., Werkheiser, W.H. |
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B7 Engineering Materials of Northern New Castle County |
Ward, R.F., Groot, J.J. |
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