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| The first thing you see as you enter Red Rock Canyon National Conservation Area is the Calico Hills. These are a large outcrop of eroded red Aztec sandstone and they make it clear how the area got it's name. |
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| The first thing you see as you enter Red Rock Canyon National Conservation Area is the Calico Hills. These are a large outcrop of eroded red Aztec sandstone and they make it clear how the area got it's name. |
