http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Herbicide use in the management of roadside vegetation, western Oregon, 1999-2000
effects on the water quality of nearby streams
1 online resource (iv, 27 pages) : illustrations (some color), map.
"Prepared in cooperation with the Oregon Department of Transportation."
Includes bibliographical references (pages 23-24).
Water-resources investigations report ; 01-4065