http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water quality assessment of the Sacramento River Basin, California
vi, 31 pages : illustrations (some color), maps (some color) ; 28 cm.
"National Water-Quality Assessment Program."
Includes bibliographical references (pages 30-31).
National Water-Quality Assessment Program (U.S.)
Water-resources investigations report ; 97-4254