http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Summary statistics and trend analysis of water-quality data at sites in the Gila River basin, New Mexico and Arizona
v, 86 pages : illustrations, maps ; 28 cm.
Includes bibliographical references (pages 43-44).
Water-resources investigations report ; 95-4083