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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. 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.).
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.).
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts the streams in the nine county San Francisco Bay Area Region, California, that were identified as Priority 1: 1) Th... Bay Area Open Space Council.
2015. Santa Clara Valley Water District (Calif.). This point shapefile depicts centroid locations of Surface Water Monitoring Stations ("gaging stations") in the County of Santa Clara, California.T... Santa Clara Valley Water District (Calif.).
1740. Mirlou, Laurent. This line shapefile depicts streams and watersheds around Paris as represented in the watershed plan created by Phillippe Buache in 1740. The ALPAG... Analyse Diachronique de l'espace Urbain Parisien: Approche Geomatique.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts a stream gap analysis done by landscape unit to determine the length of Priority 1 and 2 streams in each landscape u... Bay Area Open Space Council.
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts streams in the nine county San Francisco Bay Area Region, California study area. Stream data was integral to many a... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts streams in the nine county San Francisco Bay Area Region, California onto which other thematic data can be layered.... Bay Area Open Space Council.
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the water feature areas (for example, glaciers, lakes, reservoirs, and swamps) of the United States at 1:1,000,00... Environmental Systems Research Institute (Redlands, Calif.).