The giant Bolster, part 1

'HIS mighty man held especial possession of the hill formerly known as Carne Bury-anacht or Bury-anack, [a] "the sparstone grave," sometimes called St Agnes' Ball and St Agnes' Pestis, but which is now named, from the use made of the hill during the long war, St Agnes' Beacon. He has left his name to a very interesting, and undoubtedly most ancient earthwork, which still exists at the base of the hill, and evidently extended from Trevaunance Porth to Chapel Porth, enclosing the most important tin district in St Agnes. This is constantly called "The Bolster."...' [cont.]

Hunt 1903