Davis, D. K. (1989). Groundwater resources of Pike County, Pennsylvania. Harrisburg: Pennsylvania Geological Survey.
Chicago Style CitationDavis, Drew K. Groundwater Resources of Pike County, Pennsylvania. Harrisburg: Pennsylvania Geological Survey, 1989.
MLA CitationDavis, Drew K. Groundwater Resources of Pike County, Pennsylvania. Harrisburg: Pennsylvania Geological Survey, 1989.
Warning: These citations may not always be 100% accurate.