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The Delaware Geological Survey

Geologic and hydrologic research and exploration for Delaware

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A listing of all content on the DGS web site, sorted alphabetically and grouped by the first letter in the page title. The number of pages in each category is listed in parentheses ().

(3) | 1 (1) | 2 (1) | 3 (1) | A (54) | B (43) | C (54) | D (175) | E (31) | F (19) | G (60) | H (25) | I (29) | J (14) | K (5) | L (13) | M (43) | N (31) | O (85) | P (39) | Q (5) | R (90) | S (88) | T (34) | U (11) | V (3) | W (22) | “ (2)

News Story pages

  • John Callahan gave presentation at Army Reserve Forces Policy Committee annual meeting
  • Journal article "Hydrogeologic controls on groundwater discharge and nitrogen loads in a coastal watershed"
  • John Callahan from Delaware Geological Survey gave a talk at Earth Day Event
  • John Callahan selected to the DRBC Advisory Committee on Climate Change
  • John Callahan presented to DRBC Advisory Committee on Climate Change
  • John Callahan gave a presentation at AMS 2021
  • John Callahan has been selected to serve on a panel for CLIVAR Program

DGS History pages

  • Johan J. Groot, Director of DGS and State Geologist (1951 - 1969)
  • John H. Talley, Director and State Geologist (2002-2011)
  • Johan J. Groot, Professor Emeritus (1987 - 1992)
  • James Curtis Booth was hired as the Delaware State Geologist June 1, 1837

Staff Profile pages

  • John H. Talley
  • Jaime L. Tomlinson
  • June Hazewski

The Geology of Delaware

DGS Research

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DGS Annual Report

DGS Annual ReportDGS Annual Report of Programs and Activities.

Click here to access!

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

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