Series of block diagrams depicts the development of arch formations. The progressive erosional transformation begins from parallel cracks, through fins, and finally into arches.
Series of block diagrams depicts the development of arch formations. The progressive erosional transformation begins from parallel cracks, through fins, and finally into arches.
Abbr=EX
U.S. National Park Service
Project=Needles Visitor Center; Art_Registration_No=EX-0039 ; Reflective Art