Water Resources of Lehigh County, Pennsylvania Charles R. Wood Published: 1972 Total Pages: 298 Get eBook
Water-resources Activities of the U.S. Geological Survey in Pennsylvania, 1988-89 Geological Survey (U.S.) Published: 1989 Total Pages: 92 Get eBook
Water resources of Oley Township, Berks County, Pennsylvania Gary N. Paulachok Published: 1988 Total Pages: 74 Get eBook
Water Resources Policy Issues United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Water Resources Published: 1981 Total Pages: 1020 Get eBook
List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for Pennsylvania and New Jersey Published: 1988 Total Pages: 248 Get eBook
