Figure 17
From: RETRACTED ARTICLE: The Hopewell airburst event, 1699–1567 years ago (252–383 CE)
Positive Ir and Pt anomalies from the burned carbon-rich strata on Hopewell archaeological sites in the Ohio River valley: (A) Turner earthworks and village, Ohio; (B) Moundview village and mound, Ohio; (C) Miami Fort hilltop earthworks, Ohio; (D) Jennison-Guard village site, Indiana. Kenneth Barnett Tankersley used Microsoft PowerPoint for Mac Version 16.41 (www.microsoft.com) to create this figure.
