TY  - RPRT
TI  - Acidity and Alkalinity in mine drainage: Practical considerations
AU  - III Cravotta
AU  - Carl S. Kirby
PY  - 2004
DO  - 10.21000/jasmr04010334
UR  - https://pubs.usgs.gov/publication/70189373
ID  - 70189373
ER  -