You searched for: Subject Groundwater Remove constraint Subject: Groundwater Place New Jersey Remove constraint Place: New Jersey Place United States Remove constraint Place: United States Place Alabama Remove constraint Place: Alabama Data type Polygon Remove constraint Data type: Polygon
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.).