I think the Tipp inventory was done a about 10 years ago. I don't have it with me to check. I got the impression that they didn't do a good job. Cullaun is done nicely with all the stones and their locations listed but Timoney has a brief paragraph and says something like there were too many stones to accurately count them all. There is one field that is not used for anything which is so overgrown that you would really have to go over every inch to figure out what is there. There are loads hiding in bushes as well.