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USGS Groundwater Information

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Aquifer Basics

Principal aquifer

Color bar in aquifer map color

Aquifer Links

Principal Aquifers Map

Ground Water Atlas

USGS Groundwater Data

USGS Links

Water Resources

Groundwater Information

Aquifer Basics Links

sandstone aquifers


 Lower Tertiary aquifers

map of lower tertiary

Diagram of aquifer position within the Northern Great Plains aquifer system

Description and map of sandstone aquifers


Publication source

USGS Home Water Climate and Land Use Change Core Science Systems Ecosystems Energy and Minerals Environmental Health Natural Hazards

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Page Last Modified: Tuesday, 14-Apr-2015 13:05:00 EDT