Water Resource Report 68
	Hydrogeology and groundwater quality of the glaciated valleys of Bradford, Tioga, and Potter Counties, Pennsylvania by Williams, J. H., Taylor, L. E., and Low, D. J. 1998
Suggested Citation:	Williams, J. H., Taylor, L. E., and Low, D. J., 1998, Hydrogeology and groundwater quality of the glaciated valleys of Bradford, Tioga, and Potter Counties, Pennsylvania: Pennsylvania Geological Survey, 4th ser., Water Resource Report 68, 89 p. [Available online.]
Description:	This publication summarizes an investigation into the stratified-drift aquifers in the glaciated valleys of Bradford, Tioga, and Potter Counties. In this area, stratified-drift aquifers are the most important source of water for municipal, industrial, and domestic use. The report contains a colored, 1:100,000-scale map on two sheets that shows the geology of the unconsolidated deposits in the valley. Also shown on the map are the extensive data-collection sites and hydrologic cross sections that were created using seismic-refraction techniques. The results of 223 groundwater-quality analyses indicate two major hydrogeochemical zones: an unrestricted groundwater-flow zone containing water of the calcium bicarbonate type and a restricted groundwater-flow zone containing water of the sodium chloride type.
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