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Ground-water Resources of Cambrian and Ordovician Carbonate Rocks in the Valley and Ridge Physiographic Province of Pennsylvania

Albert E. Becher

出版	U.S. Geological Survey, 1996
URL	http://books.google.com.hk/books?id=g8cOAQAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN