OFR-97-583 Water-quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland-Design and implementation of water- quality studies, 1992-95 (PDF file)
WRIR-96-4156 Radon in Ground Water of the Lower Susquehanna and Potomac River Basins
WRIR-96-4212 Bacteriological quality of ground water used for household supply, Lower Susquehanna River Basin, Pennsylvania and Maryland
WRIR-97-4146 Nitrate in ground water and stream base flow in the Lower Susquehanna River Basin, Pennsylvania and Maryland (PDF file)
WRIR-98-4004 Fish communities and their relation to physical and chemical characteristics of streams from selected environmental settings in the Lower Susquehanna River Basin (PDF file)
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