TY  - RPRT
TI  - Preliminary evaluations of regional ground-water quality in relation to land use
AU  - D. Cain
AU  - D.R. Helsel
AU  - S.E. Ragone
PY  - 2005
DO  - 10.1111/j.1745-6584.1989.tb00444.x
UR  - https://pubs.usgs.gov/publication/70015561
ID  - 70015561
ER  -