Ground-water Levels in the United States Geological Survey (U.S.) Published: 1977 Total Pages: 168 Get eBook
Publications of the Geological Survey Geological Survey (U.S.) Published: 1948 Total Pages: 776 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
List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for New York Geological Survey (U.S.) Published: 1987 Total Pages: 80 Get eBook