Note 19 — Chapter II · Formation of Systematic Descriptive Geology.
Reading edition
Encycl. Méthod. Geogr. Phys. tom. i. p. 416, as quoted by Fitton as above, p. 159.
Reading edition
Encycl. Méthod. Geogr. Phys. tom. i. p. 416, as quoted by Fitton as above, p. 159.