(Solved): Lessons Learned - The Vikings After 450 years, the Greenland Vikings disappeared, leaving evidence o ...

Lessons Learned - The Vikings After 450 years, the Greenland Vikings disappeared, leaving evidence of their lives. They left abandoned barns, churches, and homes. Some researchers looked for clues as to their disappearance in soil deposits, finding them in garbage heaps called what? norsaqs middens epochs permafrost