As a result, the tent rocks cones have cores composed of soft pumice and tuff beneath harder caprocks.
Some tents have lost their hard, resistant caprocks and are disintegrating.
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The Kasha-Katuwe area was inhabited by humans for more than 7,000 years.
The monuments name is derived from the Keresan language of the areas Pueblo people which means white cliffs.
The area was designated a National Monument in 2001.
Sources:Wikipedia/Bureau of Land Management/Britannica
