At the site, remains of the gomphothere Cuvieronius were found associated with Clovis spear points, suggesting that the animals had been hunted.

Agriculture first appeared around 400 BCE and 200 CE in the river valleys. Remains of ceramics have been found dating from 750 CE with diversification from 800 and 1300 CE Between 1100 and 1350, the region had socially complex small villages with well-developed trade networks. The lowland