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2013. Sri Lanka. Minindōru Depārtamēntuva. This line shapefile represents rivers in Sri Lanka. The Global Map Sri Lanka version 2 was developed based on Global Map Specifications version 2.2... International Steering Committee for Global Mapping.
2013. Uruguay. Geographic Military Service. This line shapefile represents rivers in Uruguay. This layer is part of Global Map Uruguay version 2. Global Map data were developed under the coop... International Steering Committee for Global Mapping.
2013. Geological Survey (U.S.). This point shapefile contains selected streamflow gaging stations of the United States, Puerto Rico, and the U.S. Virgin Islands, in 2013. Gaging s... Geological Survey (U.S.).
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.
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. Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile contains the locations of waterways locks in the United States. The Navigation Data Center had several objectives in developin... United States. Bureau of Transportation Statistics.