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1. World Drainage Systems, 2012
1992. Environmental Systems Research Institute (Redlands, Calif.). World Drainage Systems is a polyline theme representing the major drainage systems of the world. Attribute information includes the annual discharg... Esri.
2. World Rivers, 2012
1992. Environmental Systems Research Institute (Redlands, Calif.). World Rivers is a line theme representing the major rivers within the world. Esri.