Ключевые слова: acidic, chemistry, coloration, contaminants, contamination, damage, degradation, deposit, deterioration, discharge, drainage, ecosystem, environment, erosion, exposure, filtration, flow, geology, groundwater, hazard, hazardous, heavy, impact, industrial, infiltration, iron, leakage, metals, mine, minerals, oxidation, pollution, reaction, redwater, residue, risk, runoff, saturation, sediment, seepage, slurry, soil, spill, surface, tailings, toxic, waste, watershed, waterway,