sentences:  In 1849 parts of Caldwell County, Ashe County, Wilkes County, and Yancey County were combined to form Watauga County.In 1861, parts of Caldwell County, Burke County, McDowell County, Watauga County, and Yancey County were combined to form Mitchell County.Finally, in 1911 parts of Caldwell County, Mitchell County, and Watauga County were combined to form Avery County.