You searched for: Author USGS National Center for EROS Remove constraint Author: USGS National Center for EROS Format GeoTIFF Remove constraint Format: GeoTIFF Place Massachusetts Remove constraint Place: Massachusetts Place Connecticut Remove constraint Place: Connecticut Place Colorado Remove constraint Place: Colorado Place Arkansas Remove constraint Place: Arkansas
1993. USGS National Center for EROS. The North America Shaded Relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with a horizon... National Atlas of the United States.