| 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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| RI74 Locating Ground-Water Discharge Areas in Rehoboth and Indian River Bays and Indian River, Delaware Using Landsat 7 Imagery |
Wang, L.T., McKenna, T.E., DeLiberty, T.L. |
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| B8 Water Resources of Sussex County, Delaware |
Rasmussen, W.C., Wilkens, R.A., Beall, R.M. |
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| B6 The Water Resources of Northern Delaware |
Rasmussen, W.C., Groot, J.J., Martin, R.O.R., McCarren, E.F., Behn, V.C. |
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