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Landforms of the conterminous United States — A digital shaded relief portrayal Landforms of the conterminous United States — A digital shaded relief portrayal
Our map was made by digital image-processing, a technical specialty related to the broader fields of computer graphics and machine vision (Dawson, 1987; Kennie and McLaren, 1988). The technology includes the many spacially based operations first brought together and developed systematically to manipulate Ranger, Mariner, Landsat, and other images that are reassembled from spacecraft...