TY  - RPRT
TI  - Effectiveness of the addition of alkaline materials at surface coal mines in preventing or abating acid mine drainage--Part 2. Mine site case studies
AU  - Keith Brady
AU  - Michael W. Smith
AU  - Richard L. Beam
AU  - Charles A. Cravotta
PY  - 1990
UR  - https://pubs.usgs.gov/publication/70189557
ID  - 70189557
ER  -