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1. Africa: Drainage Directions, 15s resolution, 2007

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.

2. Africa: Drainage Directions, 30s resolution, 2007

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.

3. Africa: River Network, 15s resolution, 2007

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.).

4. Africa: River Network, 30s resolution, 2007

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.).

5. Asia: Drainage Directions, 15s resolution, 2007

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.

6. Asia: Drainage Directions, 30s resolution, 2007

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.

7. Asia: River Network, 15s resolution, 2007

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

8. Asia: River Network, 30s resolution, 2007

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

9. Australasia: Drainage Directions, 15s resolution, 2008

2008. World Wildlife Fund (WWF). This drainage direction map for Australasia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest... U.S. Geological Survey.

10. Australasia: Drainage Directions, 30s resolution, 2008

2008. World Wildlife Fund (WWF). This drainage direction map for Australasia defines the direction of flow from each cell in the conditioned digital elevation model to its steepest... U.S. Geological Survey.

11. Australasia: River Network, 15s resolution, 2008

2006. World Wildlife Fund. This river network (stream lines) map for Australasia is derived from the flow direction map for Australasia. The flow accumulation map for Austral... Geological Survey (U.S.).

12. Australasia: River Network, 30s resolution, 2008

2008. World Wildlife Fund. This river network (stream lines) map for Australasia is derived from the flow direction map for Australasia. The flow accumulation map for Austral... Geological Survey (U.S.).

13. Central America: Drainage Directions, 15s resolution, 2007

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

14. Central America: Drainage Directions, 30s resolution, 2007

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

15. Central America: River Network, 15s resolution, 2007

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

16. Central America: River Network, 30s resolution, 2007

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

17. Coho Salmon Watersheds: San Francisco Bay Area, California, 2011

2011. Bay Area Open Space Council, Conservation Lands Network, GreenInfo Network (Firm), and San Francisco Bay Area Upland Habitat Goals Project. This polygon shapefile depicts the Coho Salmon Priority Restoration Areas in the nine county San Francisco Bay Area Region, California, as defined ... Bay Area Open Space Council.

18. Europe: Drainage Directions, 15s resolution, 2008

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.

19. Europe: Drainage Directions, 30s resolution, 2008

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.

20. Europe: River Network, 15s resolution, 2008

2008. World Wildlife Fund. This river network (stream lines) map for Europe is derived from the flow direction map for Europe. The flow accumulation map for Europe is used fo... Geological Survey (U.S.).