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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B16 Ground-Water Resources of the Piney Point and Cheswold Aquifers in Central Delaware as Determined by a Flow Model |
Leahy, P.P. |
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RI29 Digital Model of the Piney Point Aquifer in Kent County, Delaware |
Leahy, P.P. |
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RI32 Removal of Metals from Laboratory Solutions and Landfill Leachate by Greensand Filters |
Spoljaric, N., Crawford, W.A. |
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RI26 Hydraulic Characteristics of the Piney Point Aquifer and Overlying Confining Bed near Dover, Delaware |
Leahy, P.P. |
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OFR5 Removal of Metallic Contaminants from Industrial Waste Waters by the Use of Greensands, A Preliminary Report |
Spoljaric, N., Crawford, W.A. |
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RI8 Evaluation of the Water Resources of Delaware |
Baker, W.W., Varrin, R.D., Groot, J.J., Jordan, R.R. |
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