1.
Water Quality in the Delmarva Peninsula, Delaware, Maryland, and Virginia, 1999-2001 : Usgs ...
by Denver, Judith M., U. S. De...
ISBN: 9781287185628
List Price: $15.75
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Contributions of Phosphorus from Groundwater to Streams in the Piedmont, Blue Ridge, and Val...
by Et Al., Denver, Judith M., ...
ISBN: 9781288858569
List Price: $17.75
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Regional Classification of the Effectiveness of Depressional Wetlands at Mitigating Nitrogen...
by Et Al., Ator, Scott W., Den...
ISBN: 9781288886012
List Price: $15.75
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Hydrologic and geochemical controls on pesticide and nutrient transport to two streams on th...
by Scott W. Ator, Judith M. De...
ISBN: 9781288882465
List Price: $15.75