Note 8 — Chapter III · LINES AND GROUPS OF ACTIVE VOLCANIC VENTS.
Reading edition
D. Forbes, "On the Geology of Bolivia and Southern Peru," Quarterly Journal of the Geological Society, vol. xvii. p. 22 (1861).
Reading edition
D. Forbes, "On the Geology of Bolivia and Southern Peru," Quarterly Journal of the Geological Society, vol. xvii. p. 22 (1861).