Reference | {Deposit:: DINES, H.G., 1956, THE METALLIFEROUS MINING REGION OF SOUTH-WEST ENGLAND, MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN, 2 VOLS; LONDON, H.M.S.O., 705 P., (ESPECIALLY PAGES 54, 625, 627-629 AND 634)}{Production:: DINES, 1956.} |