yes. EH are now very interested in it and an investigation is being considered. The archaeo's I spoke with also call it Silbaby :) More later....
Good stuff, thanks Pete. Keep us posted...
I took some photos in February this year with the river running clear and beautiful, but wondered at the time the ditch that undercuts the mound, is that modern?
http://www.themodernantiquarian.com/post/64183/images/silbaby.html