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.).
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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.).
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.
2012 and 2013. 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.
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.
1992. World Resources Institute. This polygon shapefile shows river basins and sub-basins, as well as areas of drainage and subdrainage in Kenya. This data was used in selected map... World Resources Institute.
2017. Sierra Nevada Conservancy. This polygon shapefile contains the boundary of the Sierra Nevada Conservancy Boundary focus area. This layer is presented in the WGS84 coordinate ... Sierra Nevada Conservancy.
2017. Sierra Nevada Conservancy. Sierra Nevada Conservancy (SNC) subregions boundary. The boundary was mapped to correspond with statute AB 2600 (2004) and as re-defined in AB 1201... Sierra Nevada Conservancy.
California, Division of Mines and Geology. Results of Noyo River Watershed Landslide Mapping Project, including geologic and geomorphic features (landslide) maps and landslide potential maps... California Dept. of Conservation, Division of Mines and Geology.
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.