Geograph British Isles http://www.geograph.org.uk/ 2009-11-09T14:15:02GMT SE2518 SE2518 : Thornhill Edge and the Flatt Top from Mug Mill Donald Wilkinson http://www.geograph.org.uk/photo/137033 SE2517 SE2517 : Thornhill Edge from the ruins of Mug Mill Donald Wilkinson http://www.geograph.org.uk/photo/137031