Acid mine drainage 2.jpg
Office of Surface Mining
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Acid mine drainage 2, Acid mine drainage
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en
Acid mine drainage 2, Acid mine drainage
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ja
酸性鉱山排水 第2種酸性鉱山排水
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ja
酸性鉱山排水 第2種酸性鉱山排水
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drainage monobasic acid dibasic acid tribasic acid acidify acidity draining acid lysergic acid diethylamide lysergic acid microdot acid test strip mine