http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water quality in the Upper Mississippi River Basin, Minnesota, Wisconsin, South Dakota, Iowa, and North Dakota, 1995-98
National Water-Quality Assessment Program (U.S.)
1 online resource (iv, 35 pages) : color illustrations, maps (some color).
Title from title screen (viewed on July 24, 2008).
Includes bibliographical references (pages 26-28).