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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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  • Did you feel an earthquake?
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Latest News

  • New article finds groundwater pumping causes salinization of coastal streams
  • GIS Day 2021 Online November 16
  • Ocean Currents: Water Quality Impacts from our Wastewater
  • Celebrate Geologic Map Day on October 15, 2021!
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Did You Know?

The Mason-Dixon Line, that land is your land

The Mason-Dixon Line wasn’t created to divide North and South, but to settle a dispute between Colonial landowners. The Mason-Dixon Line, the…

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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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