Chidsey , Thomas, Jr., and Grant Willis. “Landscape Arch, Delicate Arch, and Double Arch in Arches National Park, Southeastern Utah”. Geosites 48, no. 1 (March 11, 2020): 1-12. Accessed May 20, 2024. http://giw.utahgeology.org/giw/index.php/geosites/article/view/54.