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Federal
Digital Geologic-GIS Map of the Colonial Beach South Quadrangle, Virginia (NPS, GRD, GRI, GEWA, COSO digital map) adapted from a U.S. Geological Survey Open-File Report map by Newell, Bricker and Robertson (2005)
Department of the Interior —
The Digital Geologic-GIS Map of the Colonial Beach South Quadrangle, Virginia is composed of GIS data layers and GIS tables, and is available in the following GRI-...