Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992

Full-scale study of sequencing batch reactors

R. L. Irvine

Hydrogeologic and water-quality data from well clusters near the wastewater-treatment plant, U.S. Marine Corps Air Station, Cherry Point, North Carolina

Louis C. Murray

Environmental assessment

E. Drannon Buskirk

Relations of changes in wastewater-treatment practices to changes in stream-water quality during 1978-88 in the Chicago area, Illinois, and implications for regional and national water-quality assessments

Paul J. Terrio

Metropolitan Topeka proposed wastewater treatment facilities, Shawnee County, Kansas

O.

Water quality and hydrogeology near four wastewater-treatment facilities in Grand Teton National Park and John D. Rockefeller, Jr., Memorial Parkway, Wyoming, September 1988 through September 1997

Kenneth J. Hedmark

Re-evaluation of copper impact from Wilkeson Wastewater Treatment Plant on Wilkeson Creek

Steven Golding