Tennessee Valley Archaeological Research conducted a Phase I cultural resources survey of areas that will potentially be impacted by the planned SR-117 Snodgrass Bridge replacement over the Tennessee River near Stevenson, Jackson County, Alabama. This survey involved not only standard Phase I practices, but also, deep testing in areas where similar geomorphologic settings have exhibited deeply buried archaeological deposits. In the course of the survey, portions of four previously recorded archaeological were reinvestigated, and five new archaeological sites were discovered.
At one site, deeply buried midden soil horizons associated with Woodland components (ca. 800 B.C. to A.D. 1100) were found extending from the ground surface to a maximum depth of 2.5 meters (7 ¾ feet). Another site exhibiting much older Archaic (ca. 8,000 to 800 B.C.) midden deposits was buried as deep as 3.65 meters (5 feet) from the ground surface. A third site showed evidence of an earlier Paleoindian (before 8,000 B.C.) habitation.