TY  - RPRT
TI  - Application of a geographic information system in analyzing the occurrence of atrazine in groundwater of the mid-continental United States
AU  - M. R. Burkart
AU  - D.W. Kolpin
PY  - 1993
UR  - https://pubs.usgs.gov/publication/70169049
ID  - 70169049
ER  -