'Double Arch' collapses in Glen Canyon National Recreation Area - ABC15 Arizona in Phoenix
- 'Double Arch' collapses in Glen Canyon National Recreation Area ABC15 Arizona in Phoenix
- Popular arch collapses in Glen Canyon National Recreation Area CNN
- Popular 190-million-year-old Lake Powell geological feature collapses KSL.com
- "Double Arch" geological formation in southern Utah collapses CBS News
- Popular natural arch collapses at Lake Powell Arizona's Family