Columbia subject headings:
Arches National Park (Utah)
Colorado River (Colo.-Mexico)--Description and travel.
Supai (Ariz.)
Utah--Description and travel.
Harvard subject headings:
Abbey, Edward, 1927-1989
Arches National Park (Utah)
Authors, American--20th century--Biography
Desert biology--Utah--Arches National Park.
Park rangers--United States--Biography.
Princeton subject headings: