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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
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Latest News

  • New continuous water quality station - Project WiCCED update
  • Rock alterations - Alumna turns hobby into career via UD geological sciences program
  • DGS and DEOS add new on-line groundwater level station
  • Many thanks and happy retirement Tom Smith
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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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