TY  - RPRT
TI  - Effect of sewage sludge on formation of acidic ground water at a reclaimed coal mine
AU  - C.A. Cravotta
PY  - 2005
DO  - 10.1111/j.1745-6584.1998.tb01061.x
UR  - https://pubs.usgs.gov/publication/70021303
ID  - 70021303
ER  -