A charcoal-rich horizon at Ø69, Greenland: evidence for vegetation burning during the Norse landnám? Bishop, Rosie R. ; Church, Mike J. ; Dugmore, Andrew J. ; Madsen, Christian Koch ; Møller, Niels A. Abstract Publication: Journal of Archaeological Science Pub Date: November 2013 DOI: 10.1016/j.jas.2013.04.012 Bibcode: 2013JArSc..40.3890B