Is This The Oldest Map of North America?

An anonymous reader writes: "Scientists from the University of Arizona, the U.S. Department of Energy's Brookhaven National Laboratory, and the Smithsonian Institution have used carbon-dating technology to determine the age of a controversial parchment that might be the first-ever map of North America." Update: 07/30 03:04 GMT by T : Bill Reardon writes: "Thought you might like to know there's another story running via the AP on the map. New study says Yale University's Vinland map is a forgery. Poor Yale. First hacked by Princeton, now their map is a forgery."