Note 9 — Chapter XXIX · THE CARBONIFEROUS VOLCANOES OF ENGLAND
Reading edition
Sedgwick, Cambridge Phil. Trans. ii. p. 166. Mr. Teall, Quart. Journ. Geol. Soc. xl. p. 643.
[10] Messrs. Topley and Lebour, Quart. Journ. Geol. Soc. xxxiii. p. 418.
Reading edition
Sedgwick, Cambridge Phil. Trans. ii. p. 166. Mr. Teall, Quart. Journ. Geol. Soc. xl. p. 643.
[10] Messrs. Topley and Lebour, Quart. Journ. Geol. Soc. xxxiii. p. 418.