Some of the ideas discussed in this blog are published in my book called "The Bluestone Enigma" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
To order, click

Sunday, 30 April 2017

Foel Drygarn annotated image

This is a close-up image from the fantastic Bing Maps site, showing the key features  referred to in the previous post.

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