Record Hydrogeology and groundwater quality of the glaciated valleys of Bradford, Tioga, and Potter counties, Pennsylvania / by John H. Williams, Larry E. Taylor, Dennis J. Low ; prepared by the United States Geological Survey, Water Resources Division, in cooperation with the Pennsylvania Geological Survey | Collections Search Center, Smithsonian Institution

Hydrogeology and groundwater quality of the glaciated valleys of Bradford, Tioga, and Potter counties, Pennsylvania / by John H. Williams, Larry E. Taylor, Dennis J. Low ; prepared by the United States Geological Survey, Water Resources Division, in cooperation with the Pennsylvania Geological Survey

Author:: Williams, John H (John Herbert) 1954- Search this; Taylor, Larry E (Larry Eugene) Search this; Low, Dennis J (Dennis James) Search this; Geological Survey (U.S.) Water Resources Division Search this; Geological Survey of Pennsylvania Search this

Notes:: Accompanied by: Plate 1A., 1B. Surficial geologic map of major glaciated valleys of Bradford, Tioga, and Potter Counties, Pennsylvania, showing locations of wells, test holes, and data-collection sites. Scale 1:100,000.; Relief on maps shown by contours and spot heights.; Maps include hydrogeologic sections.; "Fourth series".; Includes errata slip for plate 1A.; Issued in envelope.