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NAS - Nonindigenous Aquatic Species



Query by Drainage
(6-digit HUC)

Select the quadrant of the country that contains the drainage you are interested in.

Northwest Northeast Southwest Southeast Hawaii Alaska nothing Huc6 Map of the United States

 



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U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Pam Fuller - NAS Program
 URL: <http://nas.er.usgs.gov/queries/huc6_us.asp>
This File (/queries/huc6_us.asp) Last Modified On: 5/16/2007 2:09:04 PM

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