TY  - RPRT
TI  - Optimization of limestone drains for long- term treatment of acidic mine drainage, Swatara Creek Basin, Schuylkill County, PA
AU  - Charles A. Cravotta
AU  - S.J. Ward
AU  - Daniel J. Koury
AU  - R. D. Koch
PY  - 2004
DO  - 10.21000/jasmr04010366
UR  - https://pubs.usgs.gov/publication/70189374
ID  - 70189374
ER  -