| OFR53 Kent County Groundwater Monitoring Project: Results of Subsurface Exploration |
Andres, A.S., McQuiggan, R.W., He, C. |
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| OFR43 Results of Trenching Investigations Along the New Castle Railroad Survey-1 Seismic Line, New Castle, Delaware |
McLaughlin, P.P., Baxter, S.J., Ramsey, K.W., McKenna, T.E., Strohmeier, S.A. |
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| OFR42 Catalog of Earthquakes in Delaware |
Baxter, S.J. |
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| OFR21 A Guide to Fossil Sharks, Skates, and Rays from the Chesapeake and Delaware Canal Area, Delaware |
Lauginiger, E.M., Hartstein, E.F. |
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