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USGS 1:24000 Quad Digital Raster Graphics File in the southern Appalachian Mountains
Attrib:United States Geological Survey (edited by Richard Cary). 2011. 1:24,000 DRGs Virginia (17N, O to W). Coweeta LTER File Archive. University of Georgia, Athens, GA. Http://coweeta.uga.edu/dbpublic/resource_details.asp?id=445
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