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Federal
Digital Geologic-GIS Map of the Studley Quadrangle, Virginia (NPS, GRD, GRI, RICH, STUD digital map) adapted from a Virginia Division of Geology and Mineral Resources Report of Investigations map by Daniels and May (1974) recent views
Department of the Interior —
The Digital Geologic-GIS Map of the Studley Quadrangle, Virginia is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS... -
Federal
Digital Geologic-GIS Map of Richmond National Battlefield Park and Vicinity, Virginia (NPS, GRD, GRI, RICH, MAWA, RICH digital map) adapted from Virginia Division of Geology and Mineral Resources STATEMAP maps by Occhi, Blanchette and Berquist (2017), Gilmer and Berquist (2011), Berquist and Carter (2009), Bondurant, Berquist, Carter and Bleick (2011), and Bleick Carter and Berquist (2007), an OFR map by Bondurant, Bleick, Berquist and Carter (2011), and an Investigations map by Daniels and May (1974) recent views
Department of the Interior —
The Digital Geologic-GIS Map of Richmond National Battlefield Park and Vicinity, Virginia is composed of GIS data layers and GIS tables, and is available in the...