http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River basin, Oregon, 1992-96
by Bernadine A. Bonn ; prepared in cooperation with The Unified Sewerage Agency of Washington County, Oregon.
Includes bibliographical references (pages 31-32).
Water-resources investigations report ; 99-4107