Technically, these are not mountains, but "erosional remnants"--what is left of thousands of feet of volcanic ash, dust and soil where once a shallow sea covered this part of the American West and then wooly mammoths roamed.
Technically, these are not mountains, but "erosional remnants"--what is left of thousands of feet of volcanic ash, dust and soil where once a shallow sea covered this part of the American West and then wooly mammoths roamed.
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