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cedar breaks national monument Explained

Cedar Breaks National Monument at English => English (The Britannica Concise) Of Explained:

Preserve, SW Utah. Established as a national monument in 1933, it consists of a vast natural amphitheater (10 sq mi, or 26 sq km) eroded in a limestone escarpment. Iron and manganese oxide impurities in the cliff produce an amazing variety of colors that change constantly.