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Format
Shapefile
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Public
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Subject
Aquifers
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Subject
Geoscientific Information
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Institution
Stanford
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Place
Alabama
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Year
2003
Remove constraint Year: 2003
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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.).