Air Tour Routes for the Grand Canyon National Park

الملخص

This action corrects the notice of availability of commercial air tour routes for the Grand Canyon National Park and disposition of comments document published in the Federal Register on May 15, 1997. The closing date for comments is corrected to read ``June 16, 1997.'' This correction of the closing date for comments is made to conform to the closing date for comments given in a companion document, Establishment of Corridors in the Grand Canyon National Park Special Flight Rules Area, also published in the Federal Register on May 15, 1997.