Lengyel, Stacey. Anon.2004. Archaeomagnetic research in the United States midcontinent. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=765928991&sid=6&Fmt=2&clientId=43922&RQT=309&VName=PQD.