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#1 Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection
- Organization: Department of the Interior
- Dataset Last Updated: September 13, 2023 at 12:00 AM
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
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Search relevance: 1.00 | Views last month: 56 | Catalog Last Checked: August 01, 2026 at 04:42 AM
#2 Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
- Organization: Department of the Interior
- Dataset Last Updated: September 13, 2023 at 12:00 AM
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
- XML
- XML
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: August 01, 2026 at 04:09 AM

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