The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 203 — Chapter XIII · THE ERUPTIONS OF LLANDEILO AND BALA AGEReading editionQuart. Journ. Geol. Soc. vol. xxxv. (1879), p. 508.◇Copy noteReturn to CHAPTER XIII THE ERUPTIONS OF LLANDEILO AND BALA AGE