The National Park Service said the arch was formed from Navajo sandstone that originated ... the mineral resources surrounding Lake Powell,” Glen Canyon National Recreation Area Superintendent ...

NPS said it was formed from 190 million-year-old Navajo sandstone ... A famous arch at Lake Powell is no more, the National Park Service confirmed. Rangers at the Glen Canyon National Recreation ...

BIG WATER, Utah — A young mare stranded for almost two years on a Lake Powell beach was finally ... skiing and ran across her at the back of Navajo Canyon and she was very emaciated,” she ...