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EnviroAtlas - Water Balance and Surficial Groundwater by 12-digit HUC for the Conterminous United States recent views
This EnviroAtlas dataset summarizes several U.S. Geological Survey (USGS) water budget and surficial groundwater datasets by 12-digit HUC. It includes average rates of... -
EnviroAtlas - HU12_polygon recent views
This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-...