Oversight on the Montana Wilderness Study Act : hearing before the Subcommittee on Public Lands and Reserved Water of the Committee on Energy and Natural Resources, United States Senate, Ninety seventh Congress, first session, on the future management of the Mount Henry, Taylor Hilgard, and West Pioneer Wilderness study areas, Montana Wilderness Study Act, Public Law 95 150, Bozeman, Mont., May 28, 1981.

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