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Did a Meteor’s Shock Wave Really Reshape the Grand Canyon? The Science Behind a 56,000-Year-Old Mystery
What could possibly link a collision in space on the Arizona desert to a landslide that irreversibly altered the face of the Grand Canyon? Stanton’s Cave, 150 feet above the Colorado River and high ...
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Grand Canyon flood experiment helped restore beaches, delighting Colorado River runners
Grand Canyon river runners enjoyed the best camping beaches in years this season, and a riverside vegetation restoration project got a boost, both the result of the first planned springtime flood on ...
A Flagstaff-based hub for regional science -- and for the protection of the Grand Canyon and the Colorado River -- could be under threat from President Donald Trump’s proposed cuts to the federal ...
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