TY  - RPRT
TI  - Plan of study to determine the effect of changes in herbicide use on herbicide concentrations in Midwestern streams, 1989-94
AU  - Donald A. Goolsby
AU  - Laurie L. Boyer
AU  - William A. Battaglin
PY  - 1994
DO  - 10.3133/ofr94347
UR  - https://pubs.usgs.gov/publication/ofr94347
ID  - ofr94347
ER  -