Spatial Search Clear
"The Geological Society of America’s (GSA) Geologic Map of North America (Reed and others, 2005; 1:5,000,000) shows the geology of a significantly...
1968 geological map of West Virginia. Also includes separate fold and fault coverages from the same map. In 1968 the West Virginia Geological...
From the site: "This report describes new digital maps delineating areas of the United States, including Puerto Rico and the U.S. Virgin Islands,...
KY Fresh-Saline Water Interface Map
This map service allows users to build a thematic chloropleth map of Kentucky or a selected area within the state from a selection of 545...
Kentucky Groundwater Springs
Kentucky Major Rivers (1:100k scale)
Kentucky NHD streams by County (1:24,000 scale)
KY Permitted Water Withdrawals
KY Sinkhole Drainage Areas
A distributed archive of standardized geoscience spatial information and data for the nation. Developed by the USGS and State Geological Surveys.
Ohio Digital Elevation Models (DEMs)
Ohio Digital Ortho Quarter Quads (DOQQs)
Ohio Digital Raster Graphs (DRGs)
Ohio Statewide Imagery Data
Ohio USGS Digital Line Graphs (DLGs)
Database containing more than 33,466 records on water quality from 1986 to the present from 622 testing sites throughout Pennsylvania. Information...
Major rivers as derived from Pennsylvania Dept. of Transportation's streams database, which is organized by county.
DNR has undergone a project to re-engineer and redesign its information systems for all offices of the department. Specifically, DNR has...
TDEC is continuously striving to create better business practices through GIS and one way that we have found to provide information and answer...