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Impacts of air pollution on national park units
hearings before the Subcommittee on National Parks and Recreation of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-ninth Congress, first session ... hearings held in Washington, DC, May 20 and 21, 1985
Committee on Interior and Insular Affairs.
Subcommittee on National Parks and Recreation.
Record is based on bibliographic data in ProQuest Congressional Hearings Digital Collection. Reuse except for individual research requires license from ProQuest, LLC.
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United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Recreation