TY - RPRT TI - Acid neutralization within limestone sand reactors receiving coal mine drainage. AU - Barnaby J Watten AU - Philip L Sibrell AU - Michael F Schwartz PY - 2005 DO - 10.1016/j.envpol.2005.01.026 UR - https://pubmed.ncbi.nlm.nih.gov/15963369/ ID - 15963369 ER -