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1. Carmel Bay Watersheds, Monterey County, California, 2015

2015. Monterey County (Calif.). This polygon shapefile contains the boundaries of the Carmel Bay (ASBS), Sawmill Gulch, and Seal Rock, watersheds in Monterey County, California. T... Monterey County (Calif.).

2. Stormwater Runoff Catchments: Santa Clara County, California, 2008

2015. Santa Clara Valley Water District (Calif.). This polygon shapefile depicts boundaries of Stormwater Runoff Catchments for outfalls greater than or equal to 18 inches in diameter, in the Count... Santa Clara Valley Water District (Calif.).

3. Subwatershed Boundaries, California (12-digit HUC), 2013

2013. Wyoming Geographic Information Sciences Center. This polygon shapefile contains the 6th level, 12-digit hydrologic unit code (HUC) sub-watershed boundaries of California. This layer consists of g... Wyoming Geographic Information Sciences Center.

4. Subbasin Boundaries, California (8-digit HUC), 2012

2012. Wyoming Geographic Information Sciences Center. This polygon shapefile contains the 4th level, 8-digit hydrologic unit code (HUC) sub-basin boundaries for California. A hydrologic unit is a drain... Wyoming Geographic Information Sciences Center.

5. Watershed Boundaries, California (10-digit HUC), 2012-2013

2012. Wyoming Geographic Information Sciences Center. This polygon shapefile contains the 5th level, 10 digit hydrologic unit code (HUC) watershed boundaries in California. This layer consists of geore... Wyoming Geographic Information Sciences Center.

6. North America: River Network, 15s resolution, 2009

2009. World Wildlife Fund. This river network (stream lines) map for North America is derived from the flow direction map for North America. The flow accumulation map for Nor... Geological Survey (U.S.).

7. North America: River Network, 30s resolution, 2009

2009. World Wildlife Fund. This river network (stream lines) map for North America is derived from the flow direction map for North America. The flow accumulation map for Nor... Geological Survey (U.S.).

8. 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.).

9. 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.).

10. Europe: River Network, 30s 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.).

11. Stormwater Runoff Outfalls: Santa Clara County, California, 2008

2008. Santa Clara Valley Water District (Calif.). This point shapefile depicts centroid locations of Stormwater Runoff Storm Drain Outfalls, for outfalls greater than or equal to 18 inches in diame... Santa Clara Valley Water District (Calif.).

12. 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.).

13. 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.).

14. 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.).

15. 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.).

16. 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.).

17. 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.).

18. 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.).

19. South America: River Network, 15s resolution, 2006

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

20. South America: River Network, 30s resolution, 2006

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