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#1 State
National Hydrography Data - NHD and 3DHP
- Organization: State of California
- Dataset Last Updated: June 12, 2026 at 09:55 PM
The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes information about naturally...
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- REST
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 06:11 PM

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