Limb bones of extinct bison (Bison antiquus), still jointed, or articulated, were preserved in travertine deposits at the back wall of the shelter in the upper Zone 4 deposit. This appears to be all that was left of a possible Folsom-era event. Much of the zone was eroded by flooding in Late Pleistocene times. Some 10,000 years later, treasure hunters dug a large pit into the deposits obliterating whatever remained at this level. Photo by Glen Evans. |