Water quality -- Pennsylvania -- Berks CountySee also what's at your library, or elsewhere.
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Filed under: Water quality -- Pennsylvania -- Berks County
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Filed under: Water quality -- Pennsylvania Water-quality conditions during low flow in the lower Youghiogheny River basin, Pennsylvania, October 5-7, 1998 (U.S. Dept. of the Interior, U.S. Geological Survey ;, 2001), by James I. Sams, Geological Survey (U.S.), and National Energy Technology Laboratory (U.S.) (page images at HathiTrust) Surface water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91 (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1997), by Edward H. Koerkle, Michael D. Bilger, Linda C. Gustafson-Minnich, Pennsylvania. Bureau of Land and Water Conservation, and Geological Survey (U.S.) (page images at HathiTrust) Occurrence of nitrate and herbicides in ground water in the upper Conestoga River basin, Pennsylvania (U.S. Dept. of the Interior, Geological Survey ;, 1986), by David K. Fishel, Patricia L. Lietman, Geological Survey (U.S.), Pennsylvania. Department of Environmental Resources, and United States Department of Agriculture (page images at HathiTrust) Surface-water quality in Pequea Creek basin, Pennsylvania, 1977-79 (U.S. Dept. of the Interior, Geological Survey ;, 1987), by Janice R. Ward, Geological Survey (U.S.), and Susquehanna River Basin Commission (page images at HathiTrust) Water quality of large discharges from mines in the anthracite region of eastern Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1996), by Charles R. Wood, Geological Survey (U.S.), and Pennsylvania. Bureau of Topographic and Geologic Survey (page images at HathiTrust) Water quality assessment of the Lower Susquehanna River Basin, Pennsylvania and Maryland (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1996), by Dennis W. Risser, Steven F. Siwiec, National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.) (page images at HathiTrust) Stream water quality in the coal region of Pennsylvania (U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1982), by Kenneth L. Dyer, Pa.) Northeastern Forest Experiment Station (Radnor, and Ohio) Industrial Environmental Research Laboratory (Cincinnati (page images at HathiTrust) Preliminary analysis of nutrient monitoring data for the Susquehanna River and selected tributaries, January 1, 1985 - December 31, 1987 (Susquehanna River Basin Commission, 1988), by Arthur N. Ott, Susquehanna River Basin Commission. Resource Quality Management Protection Division, and Susquehanna River Basin Commission (page images at HathiTrust) Pennsylvania ([U.S. Dept. of the Interior, U.S. Geological Survey], 1999), by Geological Survey (U.S.) (page images at HathiTrust) Water quality records in Pennsylvania (U.S. Dept. of the Interior, Geological Survey, 1964), by Pennsylvania and Geological Survey (U.S.). Water Resources Division (page images at HathiTrust) Chemical quality of surface waters in Pennsylvania (U.S. G.P.O., 1963), by Charles N. Durfor and Peter W. Anderson (page images at HathiTrust)
Filed under: Water quality -- Pennsylvania -- Adams County
Filed under: Water quality -- Pennsylvania -- Carbon County
Filed under: Water quality -- Pennsylvania -- Chester County Effect of urbanization on the water resources of eastern Chester County, Pennsylvania (U.S. Geological Survey, 1987), by Ronald A. Sloto and Chester County Water Resources Authority (page images at HathiTrust) Water resources inventory study Chester County, Pennsylvania (The Authority and The Commission, 1979), by Chester County Water Resources Authority and Chester County Planning Commission (Pa.) (page images at HathiTrust) Effects of urbanization on storm-runoff volume and peak discharge of Valley Creek, eastern Chester County, Pennsylvania (Dept. of the Interior, U.S. Geological Survey ;, 1988), by Ronald A. Sloto, Geological Survey (U.S.), and Chester County Water Resources Authority (page images at HathiTrust) Hydrogeologic investigation of the Malvern TCE Superfund Site, Chester County, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1997), by Ronald A. Sloto, Geological Survey (U.S.), and United States Environmental Protection Agency (page images at HathiTrust) Filed under: Water quality -- Pennsylvania -- Conestoga River Watershed Evaluation of agricultural best management practices in the Conestoga River headwaters, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1996), by Edward H. Koerkle, Geological Survey (U.S.), and Pennsylvania. Dept. of Environmental Protection (page images at HathiTrust) Evaluation of agricultural best management practices in the Conestoga River Headwaters, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey :, 1996), by Edward H. Koerkle, Geological Survey (U.S.), and Pennsylvania. Department of Environmental Protection (page images at HathiTrust) Evaluation of agricultural best management practices in the Conestoga River Headwaters, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1997), by Patricia L. Lietman, David W. Hall, Linda C. Gustafson-Minnich, Geological Survey (U.S.), and Pennsylvania. Department of Environmental Protection (page images at HathiTrust) Evaluation of agricultural best management practices in the Conestoga River Headwaters, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1997), by David W. Hall, Edward J. Koerkle, Patricia L. Lietman, Geological Survey (U.S.), and Pennsylvania. Department of Environmental Protection (page images at HathiTrust) Evaluation of agricultural best management practices in the Conestoga River Headwaters, Pennsylvania. (U.S. G.P.O. ;, 1997), by Patricia L. Lietman, Geological Survey (U.S.), United States. Consolidated Farm Service Agency, and Pennsylvania. Department of Environmental Protection (page images at HathiTrust) Evaluation of agricultural best management practices in the Conestoga River headwaters, Pennsylvania. (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1997), by Edward H. Koerkle, Geological Survey (U.S.), and Pennsylvania. Department of Environmental Protection (page images at HathiTrust) Filed under: Water quality -- Pennsylvania -- Dauphin CountyFiled under: Water quality -- Pennsylvania -- Erie CountyFiled under: Water quality -- Pennsylvania -- Fayette County Effects of surface coal mining on suspended-sediment discharge in a small mountain watershed, Fayette County, Pennsylvania (U.S. Geological Survey ;, 1986), by Thomas M. Mastrilli, Donald E. Stump, and Geological Survey (U.S.) (page images at HathiTrust) Effects of surface mining on the hydrology and biology in the Stony Fork Basin, Fayette County, Pennsylvania, 1978-85 (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1995), by Donald R. Williams, Geological Survey (U.S.), and Pennsylvania. Department of Environmental Resources (page images at HathiTrust) Filed under: Water quality -- Pennsylvania -- Gettysburg RegionFiled under: Water quality -- Pennsylvania -- Indiana CountyFiled under: Water quality -- Pennsylvania -- Juniata River WatershedFiled under: Water quality -- Pennsylvania -- Lackawanna RiverFiled under: Water quality -- Pennsylvania -- Lancaster CountyFiled under: Water quality -- Pennsylvania -- Lebanon County Bacteriological water quality of Tulpehocken Creek basin, Berks and Lebanon Counties, Pennsylvania (Dept. of the Interior, Geological Survey, Water Resources Division ;, 1978), by James L. Barker, United States. Army. Corps of Engineers. Philadelphia District, Geological Survey (U.S.). Water Resources Division, and Geological Survey (U.S.) (page images at HathiTrust) Preimpoundment hydrologic conditions in the Swatara Creek (1981-84) and estimated postimpoundment water quality in and downstream from the planned Swatara State Park Reservoir, Lebanon and Schuylkill counties, Pennsylvania (Dept. of the Interior, U.S. Geological Survey ;, 1988), by David K. Fishel, Geological Survey (U.S.), and Pennsylvania. Bureau of State Parks (page images at HathiTrust) Filed under: Water quality -- Pennsylvania -- Luzerne CountyFiled under: Water quality -- Pennsylvania -- Measurement Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : description and water quality of the Little Conestoga Creek Headwaters prior to the implementation of nutrient management (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1992), by David K. Fishel, Pennsylvania. Department of Environmental Resources, and Geological Survey (U.S.) (page images at HathiTrust) Evaluation of agricultural best management practices in the Conestoga River headwaters, Pennsylvania. (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1996), by Patricia L. Lietman, Geological Survey (U.S.), and Pennsylvania. Department of Environmental Protection (page images at HathiTrust) Filed under: Water quality -- Pennsylvania -- Oley (Township)Filed under: Water quality -- Pennsylvania -- PhiladelphiaFiled under: Water quality -- Pennsylvania -- Philadelphia RegionFiled under: Water quality -- Pennsylvania -- Schuylkill CountyFiled under: Water quality -- Pennsylvania -- Somerset CountyFiled under: Water quality -- Pennsylvania -- Susquehanna River, West Branch Water quality of the Upper West Branch Susquehanna River and tributary streams between Curwensville and Renovo, Pennsylvania, May and July 1984 (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1993), by Robert A. Hainly, James L. Barker, and Geological Survey (U.S.) (page images at HathiTrust) Surface-water quality in the West Branch Susquehanna River Basin, Pennsylvania : an appraisal of areal and temporal variability from 1962 to 1982 in hydrologic accounting unit 020502 (Dept. of the Interior, U.S. Geological Survey ;, 1989), by Robert A. Hainly, Kim L. Wetzel, John F. Truhlar, and Geological Survey (U.S.) (page images at HathiTrust) Filed under: Water quality -- Pennsylvania -- Susquehanna River, West Branch WatershedFiled under: Water quality -- Pennsylvania -- Swatara CreekFiled under: Water quality -- Pennsylvania -- Warren CountyFiled under: Water quality -- Pennsylvania -- Wayne CountyFiled under: Water quality -- Pennsylvania -- York County Water-Quality Study for the Chesapeake Bay Program (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1995), by Michael J. Langland, David K. Fishel, Geological Survey (U.S.), Pennsylvania. Bureau of Soil and Water Conservation, and Susquehanna River Basin Commission (page images at HathiTrust) Hydrology and the hypothetical effects of reducing nutrient applications of water quality in the Bald Eagle Creek Headwaters, southeastern Pennsylvania prior to implementation of agricultural best-management practices (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1991), by David K. Fishel, Mark V. Truhlar, Michael J. Langland, Chesapeake Bay Program (U.S.), and Geological Survey (U.S.) (page images at HathiTrust)
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