Meteor Crater was created more than 50,000 years ago by a massive meteor strike near Winslow, Arizona. Visitors can experience the 550-foot-deep and nearly mile-wide cavity from an air-conditioned ...
Resolution Copper wants to dig up a massive amount of copper ore beneath Oak Flat inside the Tonto National Forest. And by ...
Some 50,000 years ago, a meteor struck near what is now Flagstaff, Arizona, leaving a 560-foot-deep crater. More recently, an ...
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