Oregon's approved 1998 section 303(d) decision matrix
Subtitle: Oregon's criteria used for listing waterbodies, decision matrix, basin maps & glossary.
Contributors: Oregon. Dept. of Environmental Quality.
Publisher: Oregon Dept. of Environmental Quality
Published: 1998
Place of publication: [Portland, Or.]
Language: eng
Subjects: Water quality -- Oregon.; Water -- Pollution -- Government policy -- Oregon.
Other titles: Oregon's criteria used for listing waterbodies, decision matrix, basin maps & glossary.
Notes: Title from cover.

"November 1998."