http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Sources and loads of nutrients in the South Platte River, Colorado and Nebraska, 1994-95
National Water-Quality Assessment Program (U.S.)
1 online resource (vi, 31 pages) : illustrations, maps.
Includes bibliographical references (pages 20-21).
Water-resources investigations report ; 96-4029