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Start Over Resource Class Datasets Format ArcGRID Creator U.S. Geological Survey (USGS) and Minnesota Department of Natural Resources (DNR)
2015. U.S. Geological Survey (USGS) and Minnesota Department of Natural Resources (DNR). Bounding box of state area and static image in references. A digital raster graphic (DRG) is a scanned image of an U.S. Geological Survey (USGS) s... Minnesota Department of Natural Resources (DNR).

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