USGS Drinking Water Programs Home page for information on drinking water programs of the U.S. Geological Survey http://water.usgs.gov/owq/dwi/- 6.4KB - USGS
Ground Water_GIP Ground Water_GIP
Ground Water
Ground Water How Ground Water Occurs Quality of Ground Water
Appraising the Nation's Ground-Water Resources Glossary
Ground Water
U.S. Geological .. http://capp.water.usgs.gov/GIP/gw_gip/- 2.3KB - USGS
Ground Water Atlas of the United States Atlas of principal bedrock aquifers,
aquifer systems and ground water in the United States http://capp.water.usgs.gov/gwa/- 7.3KB - USGS