TY  - RPRT
TI  - Statistical analysis of surface-water-quality data in and near the coal-mining region of southwestern Indiana, 1957-80
AU  - Jeffrey D. Martin
AU  - Charles G. Crawford
PY  - 1987
DO  - 10.3133/wsp2291
UR  - https://pubs.usgs.gov/publication/wsp2291
ID  - wsp2291
ER  -