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#1 Federal
Select Chemical Attributes: Estimated nitrogen from septic, 2010
- Organization: Department of the Interior
- Dataset Last Updated: March 26, 2026 at 12:00 AM
This metadata record documents an ascii comma-delimited file representing estimated nitrogen in kilograms by NHDPlus v2.1 catchments for the conterminous United States. Nitrogen estimates were...
- xml
- xml
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 06:10 AM

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