TY - RPRT TI - Hydrobiogeochemical interactions in 'anoxic' limestone drains for neutralization of acidic mine drainage AU - E. I. Robbins AU - C.A. Cravotta AU - C.E. Savela AU - Gordon L. Nord PY - 1999 DO - 10.1016/s0016-2361(98)00147-1 UR - https://pubs.usgs.gov/publication/70021937 ID - 70021937 ER -