Re: just sum neat tools and preforms that i have found!
Ive never really brought into the whole pre form idea, I belive those thick points are really much older cruder points i belive even pre clovis 1500+ years. Michael Collins a professor at UT has some good reads on this stuff http://www.redorbit.com/news/science/1889165/early_humans_migrated_north_earlier_than_thought/