Note 35 — Chapter XXIX · THE CARBONIFEROUS VOLCANOES OF ENGLAND
Reading edition
Geol. Surv. Mem. North Derbyshire, p. 24. This is outcrop No. 53 of Mr. Bemrose's paper, p. 635.
Reading edition
Geol. Surv. Mem. North Derbyshire, p. 24. This is outcrop No. 53 of Mr. Bemrose's paper, p. 635.