History
Meteor Crater was formed circa 50,000 years ago, during the late Pleisocene.
During a Fantastic Four vacation, Reed wanted to visit Meteor Crater, in Winslow to make samples of presolar grains (cosmic dust), not knowing that the Mad Thinker had poisoned the site to hit them.[1]See Also
Links and References
https://en.wikipedia.org/wiki/Meteor_Crater