Ground Water Reconnaissance Study of the State of Wyoming George F. Dana Published: 1962 Total Pages: 500 Get eBook
Ground-water Levels in the United States Geological Survey (U.S.) Published: 1963 Total Pages: 232 Get eBook
Geological Survey Professional Paper Geological Survey (U.S.) Published: 1974 Total Pages: 512 Get eBook
Regional Assessment of Aquifer Vulnerability and Sensitivity in the Conterminous United States Wayne A. Pettyjohn Published: 1991 Total Pages: 336 Get eBook
New Publications of the Geological Survey Geological Survey (U.S.) Published: 1991 Total Pages: 746 Get eBook