2010. World Drainage Systems represents the major drainage systems of the world. Environmental Systems Research Institute (Redlands, Calif.).
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1990. Environmental Systems Research Institute (Redlands, Calif.). World Drainage Systems represents the major drainage systems of the world. This layer is part of the 2014 ESRI Data and Maps collection for ArcGIS ... Environmental Systems Research Institute (Redlands, Calif.).
1972. Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the major rivers within the world at 1:15,000,000 scale. This layer is part of the 2014 ESRI Data and Maps collectio... Environmental Systems Research Institute (Redlands, Calif.).