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Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands

An aquifer is a geologic formation, group of formations, or part of a formation that contains sufficient saturated, permeable material to yield significant quantities of water to wells and springs. The U.S. Geological Survey Water Resources Program collects information on aquifers and other water resources to determine the quantity and quality of the Nation's water supplies. This information is used by Federal, State, and local agencies for water-resources planning and management. This map layer was compiled by the U.S. Geological Survey.

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Date Of Record Release 2009-09-22 14:15:02
Description An aquifer is a geologic formation, group of formations, or part of a formation that contains sufficient saturated, permeable material to yield significant quantities of water to wells and springs. The U.S. Geological Survey Water Resources Program collects information on aquifers and other water resources to determine the quantity and quality of the Nation's water supplies. This information is used by Federal, State, and local agencies for water-resources planning and management. This map layer was compiled by the U.S. Geological Survey.
Classification
Resource Type
Format
Subject
Source United States Geological Survey
Keyword Aquifers, Maps, Atlas
Selector Bates
Date Of Record Creation 2009-09-22 14:04:29
Education Level
Date Last Modified 2009-09-22 14:21:15
Language English
Date Record Checked: 2009-09-22 00:00:00 (W3C-DTF)

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