20230710 15283500 1.0 TRUE Virginia Geology (2006) 1:500,000 scale Geologic Map of Virginia. Source data can be found here: https://www.dmme.virginia.gov/webmaps/DGMR/ and here: https://dmme.virginia.gov/gis/rest/services/DGMR/Geology/MapServer Virginia Department of Mines, Minerals & Energy, Division of Geology and Mineral Resources.