http://www.sci-news.com/archaeology/science-worlds-oldest-calendar-scotland-01230.html
Feb 27, 2015 #1 TomTerrific Well-Known Member Rating - 0% 0 0 0 Jul 11, 2010 4,061 38 Centre, Ky http://www.sci-news.com/archaeology/science-worlds-oldest-calendar-scotland-01230.html