TY  - RPRT
TI  - Acidity and alkalinity in mine drainage: Theoretical considerations
AU  - Carl S. Kirby
AU  - Charles A. Cravotta
PY  - 2004
DO  - 10.21000/jasmr04011076
UR  - https://pubs.usgs.gov/publication/70189375
ID  - 70189375
ER  -