Discovered in 1963, the Gordon Creek Burial Site is a Paleo-Indian burial in the Roosevelt National Forest in north-central Colorado. The site, which dates to about 7700 BCE, contained the skeleton of a young woman and several artifacts apparently buried…

Willard Frank “Bill” Libby (1908–80) was a native Coloradan who won the Nobel Prize for inventing the radiocarbon dating method. Radiocarbon dating is one of the most commonly used dating techniques by archaeologists and other scientists across the world…