| RI78 Subsurface Geology of the Area Between Wrangle Hill and Delaware City, Delaware |
Jengo, J.W., McLaughlin, P.P., Ramsey, K.W. |
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| RI58 The Pliocene and Quaternary Deposits of Delaware: Palynology, Ages, and Paleoenvironments |
Groot, J.J., Jordan, R.R. |
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| RI55 Geology of the Milford and Mispillion River Quadrangles |
Ramsey, K.W., Groot, J.J. |
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| RI53 Geology of the Seaford Area, Delaware |
Andres, A.S., Ramsey, K.W., Groot, J.J. |
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| SP17 The Delaware Geological Survey: The Formative Years, 1951-1969 |
Groot, J.J. |
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| OFR28 Potential for Ground-Water Recharge in the Coastal Plain of Northern New Castle County, Delaware |
Petty, S., Miller, W.D., Lanan, B.A. |
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| OFR9 Geologic Field Trips in Delaware |
Benson, R.N., Hahn, W.F., Jordan, R.R., Pickett, T.E., Talley, J.H., Thompson, A.M., Woodruff, K.D. |
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| OFR8 Guidebook: Columbia Deposits of Delaware |
Jordan, R.R., Talley, J.H. |
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| RI23 Cretaceous and Tertiary Section, Deep Test Well, Greenwood, Delaware |
Talley, J.H. |
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| RI6 Some Observations on the Sediments of the Delaware River South of Wilmington |
Jordan, R.R., Groot, J.J. |
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| B7 Engineering Materials of Northern New Castle County |
Ward, R.F., Groot, J.J. |
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| B5 Sedimentary Petrology of the Cretaceous Sediments of Northern Delaware in Relation to Paleogeographic Problems |
Groot, J.J. |
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| B3 Marine Upper Cretaceous Formations of the Chesapeake and Delaware Canal |
Organist, D.M., Richards, H.G., Groot, J.J. |
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