Archaeologists working at the Great Sand Dunes National Park recently came across a type of stone tool never before encountered in Colorado. Ryan Warner talks about the mystery with archaeologist Marilyn Armagast Martorano. View photo.
A Rediscovery at the Sand Dunes
Take CPR News With You Wherever You Go
Get CPR News updates and listen to stories and interviews on demand, with the free Colorado Public Radio app for smartphones and tablets.
Give Where You Live On Colorado Gives Day
Thanks to a million dollar incentive fund, every dollar you give to CPR will go even further to support the news and music you rely on.
Most Viewed News
By Kareem Maddox
By Nell London
By Vic Vela