The Ancient Volcanoes of Great Britain, Volume 1 (of 2)Note 261 — Chapter XIII · THE ERUPTIONS OF LLANDEILO AND BALA AGEReading editionQuart. Journ. Geol. Soc. xlvii. (1891) p. 266, xlix. (1893) p. 359.◇Copy noteReturn to CHAPTER XIII THE ERUPTIONS OF LLANDEILO AND BALA AGE