http://www.3rdm.org/site/stuff/mountains/index.html by Sergio Calderon en-uk Fri, 23 October 2009 15:51:00 GMT >, 23 October 2009 15:51:00 GMT http://www.3rdm.org/feed 3rdM 5 http://www.3rdm.org/site/stuff/mountains/index.html There is no universally-accepted definition of mountain. Elevation, volume, relief, steepness, spacing and continuity has been used as criteria for defining a mountain. >, 23 October 2009 15:51:00 GMT http://www.3rdm.org/site/stuff/mountains/index.html