TY - RPRT TI - Evaluation of nonpoint-source contamination, Wisconsin; selected streamwater-quality data, land-use and best-management practices inventory, and quality assurance and quality control, water year 1993 AU - Steven R. Corsi AU - John F. Walker AU - D.J. Graczyk AU - S.R. Greb AU - D.W. Owens AU - K.F. Rappold PY - 1995 DO - 10.3133/ofr94707w UR - https://pubs.usgs.gov/publication/ofr94707W ID - ofr94707W ER -