This data set is a digital version of a geologic map and associated data developed by the South Carolina Geological Survey. This database consists of geologic map data for the Summerton 7.5-Minute Quadrangle, Clarendon County, South Carolina. Map publication: GQM-6. Map Authors: Ralph H. Willoughby with contributions by C. W. Clendenin, Jr.. This data was created from original field work and/or compiled from existing geologic map data. The database follows the Geologic Map Schema (GeMS), a geologic mapping database schema promoted by the USGS National Geologic Map Database (NGMDB). http://ngmdb.usgs.gov/Info/standards/GeMSSpatial data include: geologic map unit polygons, contacts and faults lines, point observations, cross-section [...]