This United States Geological Survey (USGS) general interest publication presents a description of ground water in the U.S. This includes what ground water is, how it occurs, aquifers and wells, ground water quality and what affects it, and the state of U.S. ground water resources.
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Information presented on this web site is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. USGS authored or produced data and information are in the public domain. While the content of most USGS web pages is in the public domain, not all the information on USGS sites is in the public domain. Some images/graphics are used by USGS with permission. For other uses, you may need to obtain permission from the copyright holder under the copyright law.
DLESE Catalog ID: DLESE-000-000-002-985
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