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1:250k Digital Raster Graphic - Collars Removed
A digital raster graphic (DRG) is a scanned image of an U.S. Geological Survey (USGS) standard series topographic map, including all map collar information. The image inside the... -
Land Cover, Forested Area, Minnesota, 1990s
This land cover data set was derived from 30-meter resolution Landsat Thematic Mapper (TM) satellite imagery. Classification is divided into 15 classes with source imagery dates...