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These DEMs consist of an array of elevations for ground positions at regularly spaced 3-meter intervals. They were created from mass points and breaklines collected as part of...
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View within SubmissionGathering Resources...From the site: “A Digital Raster Graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. An unclipped scanned image includes all marginal...-
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View within SubmissionGathering Resources...From the site: “A Digital Raster Graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. An unclipped scanned image includes all marginal...-
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View within SubmissionGathering Resources...A Digital Raster Graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. An unclipped scanned image includes all marginal information, while a...-
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View within SubmissionGathering Resources...Topography maps and information about Virginia, includes links to other topography sites.-
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View within SubmissionGathering Resources... -