| 31. | The Bureau of Reclamation periodically releases the stored acid mine drainage into Keswick Reservoir.
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| 32. | They would be suitable for relatively small flows or less complex acid mine drainage.
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| 33. | Passive treatment systems are a valuable option for treating acid mine drainage at remote locations.
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| 34. | It began operation in 1989 . Acid mine drainage has occurred at the mine site.
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| 35. | This pond serves as a treatment pond during instances when acid mine drainage is observed.
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| 36. | It was affected by acid mine drainage and sedimentation.
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| 37. | Many tributaries in the Leading Creek basin are plagued by acid mine drainage and sedimentation.
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| 38. | Ngakawau River is polluted with acid mine drainage and coal fines from the Stockton Mine.
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| 39. | The first acid mine drainage discharge is at.
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| 40. | There are many types of water treatment systems available for removing metals from acid mine drainage.
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