The Prehistoric Brotherhood Mining in Lake Superior

Lord Renfrew, Disney Professor of Archaeology at Cambridge University states:
"Archaeologists all over the world have realized that much of prehistory, as written in the existing textbooks, is inadequate. Some is quite simply wrong. What has come as a considerable shock, a development hardly foreseeable just a few years ago, is that prehistory, as we have learnt it is based upon several assumptions which can no longer be accepted as valid