Thanks, very interesting - is this the write-up here?
https://alancashirestonecircle.wordpress.com/
I think we're going to need a forum thread for all this - I've started one here
http://www.megalithic.co.uk/modules.php?op=modload&name=Forum&file=viewtopic&topic=7268&forum=4
Please feel free to submit any more information you need to.
Something is not right. This message is just to keep things from messing up down the road