Complex sentence: The site was excavated by anthropologist Norman Alexander Easton between 2002 and 2017 and radiocarbon dating of one of the human butchered bison bones indicates it being between 13,720 and 14,050 years old.
Split into simpler sentences: The site was excavated by anthropologist Norman Alexander Easton between 2002 and 2017. Radiocarbon dating of one of the human butchered bison bones indicates that the site is between 13,720 and 14,050 years old.