http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water quality in the nation's streams and aquifers
overview of selected findings, 1991-2001
20 pages : illustrations (some color), color maps ; 28 cm.
by Pixie A. Hamilton, Timothy L. Miller, and Donna N. Myers.
Also available via Internet from the USGS web site. Address as of 6/15/04: http://water.usgs.gov/pubs/circ/2004/1265/pdf/circular1265.pdf; current access is available via PURL.
Includes bibliographical references (page 20).