Aubrey Manning uncovers signs of an early chemical industry on the Yorkshire coast,
The OpenLearn team.
First published on Thu, 25 Sep 2003 as Landscape Mysteries - Programme 7: The Riddle of the Yorkshire Tracks. To find out more visit The Open University's Openlearn website. Copyright 2003
First published on Thu, 25 Sep 2003 as Landscape Mysteries - Programme 7: The Riddle of the Yorkshire Tracks. To find out more visit The Open University's Openlearn website. Copyright 2003