TY  - RPRT
TI  - Evaluation of nonpoint-source contamination, Wisconsin: water year 1999
AU  - John F. Walker
AU  - D.J. Graczyk
AU  - Steven R. Corsi
AU  - J.A. Wierl
AU  - D.W. Owens
PY  - 2001
DO  - 10.3133/ofr01105
UR  - https://pubs.usgs.gov/publication/ofr01105
ID  - ofr01105
ER  -