Note 46 — Chapter XXIX · THE CARBONIFEROUS VOLCANOES OF ENGLAND
Reading edition
Op. cit. p. 123.
[47] J. M. Mello, Quart. Journ. Geol. Soc. vol. xxvi. (1871), p. 701.
Reading edition
Op. cit. p. 123.
[47] J. M. Mello, Quart. Journ. Geol. Soc. vol. xxvi. (1871), p. 701.