Digital Geologic-GIS Map of the Chester Quadrangle, Virginia (NPS, GRD, GRI, RICH, CHET digital map) adapted from a Virginia Division of Geology and Mineral Resources STATEMAP Deliverable map by Occhi, Blanchette and Berquist (2017)
The Digital Geologic-GIS Map of the Chester Quadrangle, Virginia is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file geodatabase (chet_geology.gdb), and a 2.) Open Geospatial Consortium (OGC) geopackage. The file geodatabase format is …