The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 189 — Chapter XIII · THE ERUPTIONS OF LLANDEILO AND BALA AGEReading editionQuart. Journ. Geol. Soc. xxxi. (1875), p. 177.◇Copy noteReturn to CHAPTER XIII THE ERUPTIONS OF LLANDEILO AND BALA AGE