There is some evidence that Norsemen had been traveling interior North America at will, and had a general knowledge of how it lay, for many centuries...
including having been involved in the large-scale mining of copper in the Lake Superior region during the Bronze Age: it had always been a mystery where enough copper could have been obtained to even HAVE a "Bronze Age" in the Old World...
95 posted on 01/12/2002 5:23:56 PM PST by crystalk