You searched for: Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Place Massachusetts Remove constraint Place: Massachusetts Place Georgia Remove constraint Place: Georgia Place Arizona Remove constraint Place: Arizona Data type Polygon Remove constraint Data type: Polygon Year 2003 Remove constraint Year: 2003
1. Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands
2003. Geological Survey (U.S.). Water Resources Division. Wisconsin District. This polygon shapefile contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islan... Geological Survey (U.S.).