James B. Griffin reports on a series of radiocarbon dates from sites thought to be part of the Hopewellian complex. Material tested came from a broad area, including Ohio, Illinois, Michigan, Minnesota, Louisiana, Pennsylvania, New York, and Ontario, Canada.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.