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Aquifers
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as... -
USGS Water Resources Maps and GIS Data
USGS GIS data of the United States water resources maps, soil, hydrology, and weather. Contains multiple links to useful and informative websites. -
USGS Water Resources: Physiographic Provinces, Aquifer Outcrops and Recharge ...
From the site: "This dataset is a coverage of the physiographic provinces, aquifer outcrops and recharge rates for Tennessee. Each polygon is attributed with its associated... -
USGS Water Resources: 1:250,000-scale Hydrologic Units of the United States
From the site: "The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of... -
USGS Water Resources: National Stream Quality Accounting Network and National...
From the site: "This dataset and the accompanying Data Series report was created to assist in analysis and interpretation of water-quality data provided by the U.S. Geological... -
USGS Groundwater Watch: Climate Response Network
From the site: "The USGS maintains a network of wells to monitor the effects of droughts and other climate variability on groundwater levels. The network consists of a national... -
USGS Water Resources: Principal Aquifers of the 48 Conterminous United States...
From the site: "This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as... -
USGS Groundwater Watch: Real-Time Groundwater Level Network
From the site: "The Real Time Groundwater Level Network contains water levels and well information from wells with "real time" data transmission instrumentation. This network... -
Hydrogeology of Appalachian Basin regions
Paper describing Appalachian Basin Hydrogeology; includes groundwater statistics, maps, diagrams, and charts.
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