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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hygnstrom, Scott E. - Virchow, Dallas R. - United States. Bureau of Land Management. - U.S. Fish and Wildlife Service - United States. Forest Service. - Fort Carson (Colo.). Directorate of Environmental Compliance and Management. - University of Nebraska--Lincoln. School of Natural Resource Sciences.
    Publication info: [Lincoln, Neb.], University of Nebraska, School of Natural Resources, 2002
    Holding Institution: Bureau of Land Management