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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
  • Sea-Level Rise in Delaware
  • Did you feel an earthquake?
  • Overview of earthquakes in Delaware

Latest News

  • Delaware Geological Survey releases new geologic map of the Middletown area
  • Earth Science Week will be held from October 11 - 17, 2020
  • Celebrate Geologic Map Day on October 16, 2020!
  • DGS Administrative Office Working Remotely
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Did You Know?

Delaware State Mineral - Sillimanite

In 1977, the Delaware General Assembly, acting on a proposal by the Delaware Mineralogical Society, established sillimanite as the Delaware State…

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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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