http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Pesticide occurrence and distribution in the lower Clackamas River basin, Oregon, 2000-2005
Department of Water Environment Services.
National Water-Quality Assessment Program (U.S.)
by Kurt D. Carpenter [and others] ; prepared in cooperation with the Clackamas Watershed Management Group (Clackamas River Water Providers and Clackamas County Water Environment Services) and the National Water-Quality Assessment Program.
Title from PDF title screen (viewed on Mar. 20, 2008).
Mode of access: Internet at the USGS web site. Address as of 7/18/08: http://pubs.usgs.gov/sir/2008/5027 ; current access is available via PURL.
Includes bibliographical references (pages 59-65).
Scientific investigations report ; 2008-5027