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100   $a20211104d1973      ua             0
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200 10$aGrand Canyon National Park $ehearing before the Subcommittee on Parks and Recreation of the Committee on Interior and Insular Affairs, United States Senate, Ninety-third Congress, first session, on S. 1296, a bill to further protect the outstanding scenic, natural, and scientific values of the Grand Canyon by enlarging the Grand Canyon National Park in the state of Arizona, and for other purposes, June 20, 1973
210  1$aWashington :$cU.S. Government Printing Office,$d1973.
215   $a1 online resource (v, 233 pages) $cillustrations
517   $aGrand Canyon National Park 
607   $aGrand Canyon National Park (Ariz.)
608   $aLegislative hearings.$2lcgft
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