RI55 Geology of the Milford and Mispillion River Quadrangles |
Ramsey, K.W., Groot, J.J. |
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RI50 Plant Microfossils of the Calvert Formation of Delaware |
Groot, J.J. |
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RI48 Geologic And Hydrologic Studies of the Oligocene - Pleistocene Section near Lewes, Delaware |
Benson, R.N., Andres, A.S., Ramsey, K.W., Talley, J.H. |
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RI23 Cretaceous and Tertiary Section, Deep Test Well, Greenwood, Delaware |
Talley, J.H. |
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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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