| 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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| B17 Geological Studies of Cretaceous and Tertiary Section, Test Well Je32-04, Central Delaware |
Benson, R.N., Jordan, R.R., Spoljaric, N. |
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| SP9 Generalized Geologic Map of Delaware |
Pickett, T.E., Spoljaric, N., Jordan, R.R. |
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| SP6 Correlation Chart of the Coastal Plain Units in New Jersey, Delaware, and Maryland |
Pickett, T.E. |
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| SP4 Generalized Geologic Map of Delaware |
Spoljaric, N., Jordan, R.R. |
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| B9 Stratigraphy of the Sedimentary Rocks of Delaware |
Jordan, R.R. |
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