1. GIS at the Delaware Geological Survey
Lillian Wang, GISP
GIS Specialist/Cartographer

2. DGS research and service activities are focused on:
Water Resources
Geology and Mapping
Natural Hazards
Information and Data Dissemination

3. Major responsibilities
Create, acquire, analyze, manage GIS data and metadata
Produce publication-quality map products, illustrations, data reports
Support and assist DGS staff in research and service
Improve GIS capability & efficiency
Maintain knowledge of state-of-the-art GIS computing technology

4. DGS Digital Data Vector data Raster data Elevation data
Surficial geology
Groundwater recharge potential
Raster data
Depth to ground water
Water table elevation
Unconfined aquifer (Sussex County)
Elevation data
Raster (DEM) and vector (contours)

5. How to access DGS Digital Data
DGS website
Shapefiles and rasters for download
FirstMap
Services – ArcGIS Online
Map viewer
Story Map

6. DGS Map Viewer

7. Explore Delaware Geology

8. ESRI Collector App
Collect and update GIS data in the field using a tablet or smartphone
Attach photos to features
Data and photos are stored
in the cloud

9. Ditch the paper and other devices – really?
What if there’s no phone signal?
I don’t trust the device GPS accuracy
How do I get GIS data and photos to my pc?