TY - BOOK T1 - Evaluation of existing data on discharges from active coal mines in Illinois / DA - 1979. CY - Chicago, Ill. : AU - Terstriep, Michael L. CN - TN321 CN - TN321 PB - State of Illinois, Institute of Natural Resources, PP - Chicago, Ill. : PY - 1979. ID - 33072 KW - Water quality KW - Mineral industries KW - Mine drainage. TI - Evaluation of existing data on discharges from active coal mines in Illinois / ER -