A walk through other dating methods
There are different candidates for the oldest preserved human footprints in North America. The older sight has a less certain date than the younger one. Today we look at ways of dating fossils, other than using carbon 14.
Here’s an article about the Calvert island footprints.
Here’s an article on the footprints from Northeastern Mexico.
Here’s a paper on dating Travertine rock deposits with uranium.