 After they were crowded out by white settlement, the Comanches continued to raid settlements in the county until the 1860s.There also appear to have been small numbers of Kiowa, Yojuane, Tawakoni, and Mayeye Indians living in the Travis and Williamson counties at the time of the earliest Anglo settlements.The prehistory of Texas has been studied by both professional and avocational archeologists for many decades.