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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Knudson, Ken - Clark Fork River Basin Project (Mont.)
    Publication info: Helena, Mont, Clark Fork River Basin Project, Montana Governor's Office, [1986]
    Holding Institution: Montana State Library
  2. By: Knudson, Ken - Hill, Kurt. - Montana. Ecological Services Division.
    Publication info: [Helena, Mont.], Montana Dept. of Fish and Game, Ecological Services Division, 1978
    Holding Institution: Montana State Library
  3. By: Knudson, Ken - Montana. Department of Health and Environmental Sciences
    Publication info: Helena, Mont, The Dept, [1992]
    Holding Institution: Montana State Library