"This discovery is significant because almost all pre-Clovis sites have stone tools, but spear points have yet to be found," says Michael Waters, a geologist at Texas A&M University and the lead author of the new study. "The dream has always been to find diagnostic artifacts?"like projectile points?"that can be recognized as older than Clovis." Waters and his colleagues have dug at Buttermilk Creek for many years now. "We were always hoping to someday find a projectile point, but in archaeology, you get what you ge