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Please read BHL's Acknowledgment of Harmful Content
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  1. By: United States. Bureau of Land Management. Portland Service Center.
    Publication info: Portland, Or, U.S. Department of the Interior, Bureau of Land Management, Portland Service Center, 1970
    Holding Institution: Bureau of Land Management
    Subjects: Acid mine drainage  Bureau of Land Management  Coal mine waste  Mine drainage  Mines and mineral resources  Records and correspondence  United States  
  2. By: Montana State University (Bozeman, Mont.). Reclamation Research Unit. - Dollhopf, D. J. - MSI Detoxification, Inc.
    Publication info: Bozeman, Mont.?, Montana State Univ.?, 1988
    Holding Institution: Montana State Library
    Subjects: Acid mine drainage  Mine drainage  Montana  Wetlands