Drombeg was wrong. I've sorted it now.
By the way ... Ahaglaslin Portal tomb is an odd one.
http://www.megalithomania.com/irishgenius/zAhaglaslin.htm
Many thanks, and thanks for the pointer - looks like another useful site.
We've moved our date slightly - should now be over there from June 28th for a week (or possibly two).
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