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USGS - science for a changing world

EDNA Derived Watersheds for Major Named Rivers

EDNA-derived watersheds and watershed characteristics are now available for viewing in a standard web browser.

Position the mouse over a watershed name to identify the location, or click on a link to view the watershed characterstics.

If a KML viewer is installed, the EDNA-derived watersheds and their characteristics can also be viewed in KML format. View the KML version.

Map of 77 Major US Watersheds

New!  Watershed data for the Gavin's Point Dam is now available.

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Page Last Modified: October 8, 2008