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2 datasets found

Federal

NHDPlus v2.1 and Alaska Beta NHDPlus

U.S. Environmental Protection Agency —

This dataset contains upstream watershed drainage areas for catchments comprising Catchment Fabric HUC12 units. The dataset is incomplete for Alaska.
- Esri REST
Federal

EPA Office of Water (OW): NHDPlus v21+AK Beta Catchment Fabric Twelve-Digit Subwatersheds

U.S. Environmental Protection Agency —

This dataset contains twelve-digit hydrologic subwatershed units aggregated from the NHDPlus v21+AK Beta State Catchment Fabric. These units express the Catchment...
- Esri REST

2 datasets found

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