You searched for: Publisher Geological Survey (U.S.) Remove constraint Publisher: Geological Survey (U.S.) Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Subject Hydrogeology Remove constraint Subject: Hydrogeology Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place United States Remove constraint Place: United States Place Alabama Remove constraint Place: Alabama Place Texas Remove constraint Place: Texas 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.).