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2079444 
Technical Report 
National rivers and streams assessment 2008-2009: A collaborative survey. Draft 
U.S. Environmental Protection Agency :: U.S. EPA 
2013 
U.S. Environmental Protection Agency, Office of Wetlands, Oceans, and Watersheds. Office of Research and Development 
Washington, DC 
EPA/841/D-13/001 
has other version or edition 3229866 National rivers and streams assessment 2008-2009: A collaborative survey