An outcrop of the early Jurassic Entrada Formation in Arches National Park.
The Entrada Formation
An outcrop of the early Jurassic Entrada Formation in Arches National Park.
An outcrop of the early Jurassic Entrada Formation in Arches National Park.
An outcrop of the early Jurassic Entrada Formation in Arches National Park.
An outcrop of the early Jurassic Entrada Formation capping the late Triassic Chinle Formation at Ghost Ranch.
