An archaeological excavation led by Dr. Carl Gustafson of Washington State University found a rib bone that had what appeared to be a spear point made from the bone of a different mastodon embedded in it.
An archaeological excavation led by Dr. Carl Gustafson of Washington State University found a rib bone. This rib bone had what appeared to be a spear point made from the bone of a different mastodon. This different mastodon was embedded in it.