The National Map NHD
Geological Survey (U.S.)
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The National Map NHD provides a map viewer interface to select an area and layers of interest from the U.S. National Hydrology Dataset. Data can be downloaded to Shapefile or personal geodatabase.
Citation“2013. The National Map NHD. United States; USGS.”
Title from home page (viewed on Apr. 10, 2012).Accepting data submissions: no.