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Ancient rock carvings reveal mysterious 'calendar' at Pueblo site
On a sandstone cliff at a remote Pueblo site in the Southwest, a cluster of spirals and animal figures is forcing ...
'Calendar' rock carvings from Ancestral Pueblo discovered. The carvings were found at a site called Castle Rock Pueblo on the ...
DENVER – Researchers say they have found a new clue into the mysterious exodus of ancient cliff-dwelling people from the Mesa Verde area of Colorado more than 700 years ago: DNA from the bones of ...
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