http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water quality in the upper Santa Cruz basin, Arizona, 1998
Ground water quality in the upper Santa Cruz basin, Arizona, 1998
National Water-Quality Assessment Program (U.S.)
viii, 55 pages : illustrations (some color), color maps ; 28 cm.
"National Water-Quality Assessment Program."
Includes bibliographical references (pages 32-34).
Santa Cruz River Watershed (Ariz. and Mexico)
Water-resources investigations report ; 00-4117