| RI32 Removal of Metals from Laboratory Solutions and Landfill Leachate by Greensand Filters |
Spoljaric, N., Crawford, W.A. |
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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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| B11 Ground-Water Resources of Southern New Castle County Delaware |
Rima, D.R., Coskery, O.J., Anderson, P.W. |
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| RI7 An Invertebrate Macrofauna from the Upper Cretaceous of Delaware |
Shapiro, E., Richards, H.G. |
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| B8 Water Resources of Sussex County, Delaware |
Rasmussen, W.C., Wilkens, R.A., Beall, R.M. |
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| B7 Engineering Materials of Northern New Castle County |
Ward, R.F., 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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