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acid mine drainage acid mine water acidic water acre approximately aquatic Autumn Olive BACKFILL Black Alder Black Locust channel cost demonstration program demonstration project Department of Natural discharge downstream drainage abatement program Drainage Abatement Project drainage problem Environmental Protection Agency equipment estimated facilities False Indigo final cut area flow control structure Furrow grading Goshen Township Hydrology impounded water improve included land use features Mahoning County Mahoning Valley Sanitary material Meander Creek Reservoir mined land mining operations Natural Resources neutralization Ohio Department plant Ponderosa Lake present project area proposed mine drainage provide positive drainage public ownership recommended recreational release result Revegetation Sample scheduled Section Sheban shown in Figure soil soluble salts spoil bank Stratton Road stream strip mined area study area surface mining Table tion tree Upper Meander Creek utilization Valley Sanitary District Water Pollution Water Pollution Control WATER QUALITY ANALYSES water treatment Western Reserve Road wildlife Youngstown