National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection
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https://catalog.data.gov/dataset/national-hydrography-dataset-nhd-usgs-national-map-downloadable-data-collection <-- link to resource and data downloads
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https://www.usgs.gov/core-science-systems/ngp/national-hydrography <-- link to open hydrology data, USA
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