Question: The Stoner Site is a substantial archaeological site in the far eastern portion of the U.S. state of Illinois, archaeological investigations have shown it to be one of the area's most important archaeological sites for the Allison-Lamotte culture, an archaeological culture that inhabited the Wabash River valley in which country during the later portion of the Woodland period?
Sentence (from "Allison-Lamotte culture"): First defined in 1963, the culture was originally described as being divided into two phases — Allison and LaMotte — although some later authors have taught a single unified phase.
Relevant evidence: No