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3. Africa: Drainage Directions, 15s resolution, 2007 Raster Stanford University Public content

2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.

4. Africa: Drainage Directions, 30s resolution, 2007 Raster Stanford University Public content

2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.

5. Africa: Flow Accumulation, 15s resolution, 2007 Raster Stanford University Public content

2007. 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.

6. Africa: Flow Accumulation, 30s resolution, 2007 Raster Stanford University Public content

2007. 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.

7. Africa: River Network, 15s resolution, 2007 Line Stanford University Public content

2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).

8. Africa: River Network, 30s resolution, 2007 Line Stanford University Public content

2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).

9. Amu Darya and Aral Sea diagrams Image Princeton University Public content

1875. Wood, Herbert. Title given by cataloger. Depth shown by soundings and bathymetric sections. Relief shown by contours, hachures, and spot heights. Scale of diagram... London : John Murray, 1875.

10. Asia: Drainage Directions, 15s resolution, 2007 Raster Stanford University Public content

2007. World Wildlife Fund (WWF). This drainage direction map for Asia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest downsl... U.S. Geological Survey.