http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Dissolved oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment
1 online resource (vii, I52 pages) : illustrations, maps.
Includes bibliographical references (pages I37-I38).
River-Quality Assessment of the Willamette River Basin, Oregon