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National Vietnam Veterans Art Museum : Vietnam : reflexes and reflections : the National Vietnam Veterans Art Museum / edited by Eve Sinaiko ; foreword by Sondra Varco ; essays by Anthony F. Janson and Eve Sinaiko ; collection photographed by Michael Tropea.
National Water Information System U S : Computer programs for obtaining and analyzing daily mean steamflow data from the U.S. Geological Survey National Water Information System web site / by Gregory E. Granato ; prepared in cooperation with the U.S. Department of Transportation, Federal Highway Administration, Office of Natural and Human Environment.
National Water Research Institute Canada : Base flow in the Great Lakes basin [electronic resource] / by B.P. Neff ... [et al.] ; prepared in cooperation with Environment Canada's National Water Research Institute and the Great Lakes Protection Fund.