TY  - RPRT
TI  - Quality of surface water in the coal-mining region, southwestern Indiana, October 1979 to September 1980
AU  - D.E. Renn
PY  - 1983
DO  - 10.3133/ofr83680
UR  - https://pubs.usgs.gov/publication/ofr83680
ID  - ofr83680
ER  -