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The Delaware Geological Survey

Geologic and hydrologic research and exploration for Delaware

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All about the Delaware Geological Survey Download geologic and hydrologic maps and datasets Information about the Geology and Hydrogeology of Delaware Learn about fossils found in Delaware Hydrogeologic data and information for Delaware The Delaware Geological Survey publication catalog Research and educational projects of the DGS Summary of Water Conditions in Delaware DGS Annual Report of Programs and Activities DGS Story Map Gallery Meet the people that make up the DGS Did you feel an earthquake? Complete our Earthquake Felt Report.

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  • Water Conditions Summary
  • DGS Annual Report released
  • Delaware Coastal Flood Monitoring
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Latest News

  • Delaware Geological Survey releases new geologic map of the Saint Georges and Delaware City Area
  • DGS presented at 13th National Water Quality Monitoring Conference
  • PRESS RELEASE - Report of Investigations 85
  • Groundwater Awareness Week (GWAW) is taking place March 5-11 in 2023!
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Did You Know?

Delaware 1868 Hundreds Maps

"Hundreds" is a geographic division, smaller than counties and roughly equivalent to the division "townships" in Pennsylvania and New Jersey.…

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© 2020 Delaware Geological Survey, University of Delaware, Newark, DE 19716-7501

Phone: 302-831-2833 | Fax: 302-831-3579 | Email: delgeosurvey@udel.edu

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