Delaware

Delaware Geologic Research Symposium - April 14, 2015

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The DGS is again hosting a research symposium with presentations on Delaware Geology. This meeting is targeting geoscience professionals as well as planners, engineers, and others that use geologic data.  Documentation for PG credits will be available for those attending. 

The Delaware DataMIL is Retired

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The Delaware DataMIL, an online web mapping application that has provided accurate, up-to-date Delaware Geospatial Framework (basemap layers), current and historic aerial photography, and topographic maps for Delaware since 2002 is retired as of June 30, 2013. Originally built as a state of the art, crowd source editing and map delivery system and pilot project for the US Geological Survey National Map, the DataMIL is being replaced by newer mapping technology through the Department of Technology and Information (DTI) which will have a new system in place shortly.

DGS and DEOS add new on-line groundwater level station

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DGS and Delaware Environmental Observing System (DEOS) staff are pleased to announce that real-time groundwater level data from well Cb51-184 located next to the DEOS weather station on the University’s College of Agriculture Newark campus are now available.

Many thanks and happy retirement Tom Smith

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The Delaware Geological Survey wishes to recognize our long-time research Senior Research Technician, Charles T. “Tom” Smith, who retired in November, 2020 after thirty-three years of dedicated service.

GM26 Geologic Map of the Cecilton and Middletown Quadrangles, Delaware

Mapping was conducted using field maps at a scale of 1:12,000 with 2-ft contours. Stratigraphic boundaries drawn at topographic breaks reflect detailed mapping using contours not shown on this map. Most stratigraphic units mapped in stream valleys are projected from subsurface data. Except for a few erosional bluffs, these units are covered by colluvium. This map supersedes Geology of the Middletown-Odessa Area, Delaware: Delaware Geological Survey Geologic Map Series No. 2 (Pickett and Spoljaric, 1971).