2007. World Wildlife Fund (WWF). This raster layer is a void-filled digital elevation model (DEM) of Africa at 30 arc-seconds resolution. Elevations is in meters referenced to the ... U.S. Geological Survey.
Search Results
1809. Lapie, M. (Pierre), 1779-1850 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic regional map of Southern Africa originally created by Pierre Lapie in 1809. All map colla... Stanford Digital Repository.
1599. Rumsey, David, 1944-, Ptolemy, Claudius, and Ruscelli, Girolamo. This layer is a georeferenced image of an engraved map of New Spain from 1599. Showing the southern United States, including Texas and Florida and ... Cartography Associates.
2006. World Wildlife Fund (WWF). This drainage direction map for South America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
2006. World Wildlife Fund (WWF). This drainage direction map for South America defines the direction of flow from each cell in the conditioned digital elevation model to its steepe... U.S. Geological Survey.
2006. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2006. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2006. World Wildlife Fund (WWF). This raster layer is a void-filled digital elevation model (DEM) of South America at 15 arc-seconds resolution. Elevation is expressed in meters an... U.S. Geological Survey.
2006. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales) provides hydrographic information in a consistent... U.S. Geological Survey.
2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.