RLJ at frogpond school

This channel is about a relatively new discovery of how stone tools were made.
The uniface tool construction is the oldest of the stone age. 
I present to you my study.
Pre-clovis stone age tools carved with images of thunderbirds, snakes, mastodons and rabbits.
This native American rock art shows how the tool was made and decorated with pictographs, symbols and animals.
How stone tools are made, pre-clovis core flake technology explained, portable rock art