Four  

To follow it now requires a confused embroidery of routes to its edge, doubling back and re-finding it again. It is disturbed by the route of the motorway which rises above on concrete legs, inversions of the deep Dane shafts which are as much part of local myth as they ever were real. The land of the Delves was geologically different, and had ironstone beneath it rather than coal, which may have first been dug from the ground by the Mercian tribes.  
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