National Geographic : 1933 May
Official photograph, U.S.Army Air Corps PARACHUTES WOULD BE Of LITTLE AVAIL IF ENGINES STOPPED IN THE GRAND CANYON The Army bombers are flying through the deepest part of the canyon. North Rim Lodge, just out of thepicture tothe left, ismore than amile above the muddy Colorado River. The dark patches are cloud shadows which accentuate the rich red and purple coloring ofthe canyon. On the horizon isthe Painted Desert and beyond the Navajo Indian Reservation.