http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Water-Quality Assessment Program (U.S.)
vi, 61 pages : illustrations (some color), maps (some color) ; 28 cm.
"National Water-Quality Assessment Program."
"U.S. Department of the Interior, U.S. Geological Survey"--Title page verso.
Includes bibliographical references (pages 56-61).