1787. Rumsey, David, 1944- and Kitchin, Thomas. This layer is a georeferenced image of a map of South America originally created by Thomas Kitchin in 1787. The original map appears in "A general ... Cartography Associates.
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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.
1867. Rumsey, David, 1944-, Martin de Moussy, V. (Victor), 1810-1869, Kautz, L., Laine, Adolphe, and Imprimerie Lemercier et cie. This layer is a georeferenced image of a map of Argentina and Uruguay, originally created in 1867. The original map appears in "Description geograp... Cartography Associates.