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#1 Federal
North America: Catchments layers from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database
- Organization: Department of the Interior
- Dataset Last Updated: March 24, 2026 at 12:00 AM
This dataset contains the catchments derived from the Digital Elevation Model (DEM) for the North American continent from the Hydrological Derivatives for Modeling and Analysis (HDMA) database....
- xml
- xml
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 07:40 PM

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