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Substantial Restoration Clarification
Grand Canyon National Park » Substantial Restoration Clarification » Document List
The notice clarifies the definition used by Grand Canyon National Park for achieving substantial restoration of natural quiet as mandated by The National Parks Overflight Act of 1987 (Public Law 100-91).
Public comment will be accepted on the notice for a period of 30 days with comments due on May 9, 2008.
Please see the attached Federal Register Notice and Press Release for additional information located to the left of the web page in document list.