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#1 Federal
USGS National Boundary Dataset (NBD) Downloadable Data Collection
- Organization: Department of the Interior
- Dataset Last Updated: February 11, 2025 at 12:00 AM
The USGS Governmental Unit Boundaries dataset from The National Map (TNM) represents major civil areas for the Nation, including States or Territories, counties (or equivalents),...
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- xml
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 08:54 PM

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USGS National Boundary Dataset (NBD) Downloadable Data Collection