http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Analysis of nutrients in the surface waters of the Georgia-Florida Coastal plain study unit, 1970-91
National Water-Quality Assessment Program (U.S.)
1 online resource (v, 67 pages) : illustrations (some color), maps (some color).
"National Water-Quality Assessment Program."
Includes bibliographical references (pages 56-58).
Water-resources investigations report ; 96-4037