tiompan wrote:
There are exceptions like Castlerigg and Long Meg but generally the smaller and usually later circles ,despite being easier to mark out were if anything less circular .
You'd have to have a vastly extensive knowledge to know that George considering the equally vast amount of smaller circle throughout the land. Do you know them all? That's why I only quoted Bodmin Moor where I know all the smaller circles are circular with the exception of those that are partly or mainly destroyed of course.