Both the Saline and County Line creeks in the upper Neches River basin were habitats where significant numbers of Caddo peoples lived in ancestral times. As with recent studies of the ancestral Caddo archaeology of the nearby Caddo Creek valley and the San Pedro Creek valley, the purpose of this consideration of the known archaeological record of Caddo settlement in the Saline and County Line creek valleys is to explore the nature of their permanent use during the lengthy native history of Caddo peoples in East Texas between ca. A.D. 900-1838