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tammy m zimmerman
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Drought-sensitive aquifer settings in southeastern Pennsylvania
Tammy M. Zimmerman · U.S. Geological Survey
21 sayfa · 2005
Droughts / Groundwater / Water-supply / Wells
Relation between selected well-construction characteristics and occurrence of bacteria in private household-supply wells, south-central and southeastern Pennsylvania
Tammy M. Zimmerman · U.S. Dept. of the Interior, U.S. Geological Survey
22 sayfa · 2001
Bacterial pollution of water / Groundwater / Health aspects of Wells / Pollution / Wells