The sudden catastrophic change at 12,800 years ago wiped out the Clovis culture that had existed for 300 to 500 years. Simultaneous with the mammoths. Studies now show a continental-wide human population crash coincident with megafaunal extinctions. Quarries mined for centuries suddenly abandoned. Campsites with generations of debris and toolkits... suddenly abandoned. The evidence suggests the human population crashed alongside the megafauna. | The Randall Carlson