The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 218 — Chapter XIII · THE ERUPTIONS OF LLANDEILO AND BALA AGEReading editionOp. cit. p. 156.◇[219] Mr. Harker, Bala Volcanic Series, p. 83.◇Copy noteReturn to CHAPTER XIII THE ERUPTIONS OF LLANDEILO AND BALA AGEReturn to CHAPTER XIII THE ERUPTIONS OF LLANDEILO AND BALA AGE