| SP25 Physiographic Regions of the Delaware Atlantic Coast |
Ramsey, K.W., Schenck, W.S., Wang, L.T. |
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| SP24 Selected Geomorphic Features of Delaware |
Ramsey, K.W., Schenck, W.S., Wang, L.T. |
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| SP20 Delaware Piedmont Geology |
Plank, M.O., Schenck, W.S. |
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| SP17 The Delaware Geological Survey: The Formative Years, 1951-1969 |
Groot, J.J. |
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| SP10 Selected Papers on the Geology of Delaware |
Jordan, R.R., Pickett, T.E., Kraft, J.C., Sheridan, R.E., Spoljaric, N., Thompson, A.M., Woodruff, K.D., Varrin, R.D., Leavens, P.B., Carey, W.L. |
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| SP9 Generalized Geologic Map of Delaware |
Pickett, T.E., Spoljaric, N., Jordan, R.R. |
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| SP4 Generalized Geologic Map of Delaware |
Spoljaric, N., Jordan, R.R. |
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