2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).
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2014. National Atlas of the United States. This line shapefile includes Global Map data showing streams in the United States, Puerto Rico, and the U.S. Virgin Islands. The data are a modifie... National Atlas of the United States.
2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the linear water features (for example, aqueducts, canals, intracoastal waterways, and streams) of the United States... Environmental Systems Research Institute (Redlands, Calif.).
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts historic natural and artificial lakes worldwide ranked by relative importance, coordinating with river ranking. Incl... North American Cartographic Information Society.
2014. Geological Survey (U.S.). This polygon shapefile represents waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produc... Geological Survey (U.S.).
2014. Geological Survey (U.S.). This polygon shapefile includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. Th... Geological Survey (U.S.).
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.).
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.
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.
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.