TY  - RPRT
TI  - Statistical evaluation of hydrologic conditions in the vicinity of abandoned underground coal mines around Cannelburg, Indiana
AU  - D. Harper
AU  - G.A. Olyphant
PY  - 1993
DO  - 10.1016/0022-1694(93)90269-f
UR  - https://pubs.usgs.gov/publication/70018359
ID  - 70018359
ER  -