Note 167 — Chapter VI · (continued 2)
Reading edition
"On the Belgian Tertiary Formations," Geol. Journal, vol. viii. p. 344.
[168] Geol. Journal, vol. viii. p. 347.
Reading edition
"On the Belgian Tertiary Formations," Geol. Journal, vol. viii. p. 344.
[168] Geol. Journal, vol. viii. p. 347.