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Interesting Engineering on MSNMeteor that hit Arizona 56,000 years ago may have built a natural dam in Grand CanyonThe resulting Nankoweap landslide would have dumped enormous limestone boulders into the river corridor, creating a temporary ...
Highway closures and evacuations remain in effect as a wildfire burns more than 49,000 acres in Coconino County. It is one of two blazes raging at or near the northern rim of the Grand Canyon.
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