TY - RPRT TI - Dissolved-oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment AU - Walter G. Hines AU - S. W. McKenzie AU - D. A. Rickert AU - F. A. Rinella PY - 1977 DO - 10.3133/cir715i UR - https://pubs.usgs.gov/publication/cir715I ID - cir715I ER -