TY  - RPRT
TI  - Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993
AU  - Donald A. Goolsby
AU  - William A. Battaglin
AU  - E. Michael Thurman
PY  - 1993
DO  - 10.3133/cir1120c
UR  - https://pubs.usgs.gov/publication/cir1120C
ID  - cir1120C
ER  -