The Ancient Volcanoes of Great Britain, Volume 1 (of 2)

Note 234 — Chapter XIII · THE ERUPTIONS OF LLANDEILO AND BALA AGE

Reading edition

Presidential Address, Quart. Journ. Geol. Soc. vol. xlvii. p. 134; Rep. Brit. Assoc. 1896, Section C; Geol. Mag. 1896, p. 481.

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