You searched for: Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Subject Aquifers Remove constraint Subject: Aquifers Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Delaware Remove constraint Place: Delaware Place Connecticut Remove constraint Place: Connecticut Data type Polygon Remove constraint Data type: Polygon Format Shapefile Remove constraint Format: Shapefile
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.).