TY  - RPRT
TI  - A computerized data base of nitrate concentrations in Indiana ground water
AU  - M.R. Risch
AU  - D.A. Cohen
PY  - 1995
DO  - 10.3133/ofr95468
UR  - https://pubs.usgs.gov/publication/ofr95468
ID  - ofr95468
ER  -