http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water-quality trends for streams and reservoirs in the Research Triangle area of North Carolina, 1983-95
Triangle Area Water Supply Monitoring Project Steering Committee (N.C.)
1 online resource (18 pages) : illustrations (some color), maps (some color).
by Carolyn J. Oblinger Childress and Neeti Bathala ; prepared in cooperation with the Triangle Area Water Supply Monitoring Project Steering Committee.
Includes bibliographical references (page 18).
Water-resources investigations report ; 97-4061