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Sand to Snow National Monument

(Encyclopedia) Sand to Snow National Monument, 154,000 acres (62,000 hectares) in the San Bernadino Mountains, S Calif. It rises from the Sonoran Desert floor to Mount San Gorgonio (11,503 ft/3,506 m…

Mojave Desert

(Encyclopedia) Mojave or Mohave Desert, c.15,000 sq mi (38,850 sq km), region of low, barren mountains and flat valleys, 2,000 to 5,000 ft (610–1,524 m) high, S Calif.; part of the Great Basin of the…


Name, location, and year authorized Acreage Outstanding characteristicsAcadia (Maine), 1919 47,548.94Rugged seashore on Mt. Desert Island and adjacent mainlandArches (Utah), 1971 76,518.98…