Park Ranger John on MSN1y
Devils Tower National Monument - WyomingAs the magma cooled it shrank and cracked. Over time erosion wore away the sedimentary rock exposing the igneous rock ...
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Epic Guide to Devils Tower National Monument in WyomingOver time erosion wore away the sedimentary rock exposing the igneous rock formation. Don't forget to watch Close Encounters of the Third Kind before your trip to see Devils Tower in the movie.
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