You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Subject Digital elevation models Remove constraint Subject: Digital elevation models Place New Jersey Remove constraint Place: New Jersey Place Colorado Remove constraint Place: Colorado Place Arizona Remove constraint Place: Arizona Place Arkansas Remove constraint Place: Arkansas Data type Raster Remove constraint Data type: Raster Format GeoTIFF Remove constraint Format: GeoTIFF Year 1993 Remove constraint Year: 1993
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.
1993. EROS Data Center. The grayscale North America shaded relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with... National Atlas of the United States.