Devils Tower National Monument
Spheroidal-weathering granitic boulders and junipers near Mid Hills Campground in the Providence Mountains. The age of this intrusive igneous bedrock has been dated to be about 97 million years (Cretaceous)(Reynolds and others, 1995).
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The URL is: https://gotbooks.miracosta.edu/gonp/moja/html2/mojaA099.htm
Last modified: 1/7/2011