Curious: where are the human remains of the people who used the tools.
....Gators got yore granny.....
Damp, acidic soil tends to dissolve buried remains over the centuries.
I’ve been asking this question for years.
If there were indeed millions and millions of aboriginal Americans infesting the continent, we ought to be up to our necks in physical remains (i.e., skeletons) as well as burial sites.
But I get called names whenever I bring up the subject.
They tended to live near the ocean before it rose after the last ice age. Their remains are mostly underwater.