When was the Landscape Arch named and by whom?

Context: Landscape Arch is a natural arch in Arches National Park, Utah, United States. It is among the longest natural rock arches in the world. The arch is among many in the Devils Garden area in the north of the park. Landscape Arch was named by Frank Beckwith who explored the area in the winter of 1933–1934 as the leader of an Arches National Monument scientific expedition. The arch can be reached by a 0.8 mi graded gravel trail.

Answer: Landscape Arch was named in 1933 by Frank Bekwith who explored it in the winter of 1933-1934 as the leader of an Arches National Monument scientific expedition.