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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bachen, Daniel A. - Montana Natural Heritage Program.
    Publication info: Helena, MT, Montana Natural Heritage Program, [2020]
    Holding Institution: Montana State Library
    Subjects: Air, Energy and Mining Division  Bats  Coal Section  Department of Environmental Quality  Montana  
  2. By: Bachen, Daniel A. - Montana Natural Heritage Program.
    Publication info: Helena, MT, Montana Natural Heritage Program, [2018]
    Holding Institution: Montana State Library
    Subjects: Air, Energy and Mining Division  Bats  Coal Section  Department of Environmental Quality  Identification  Montana