The Wonder Book of Volcanoes and Earthquakes

Note

D. Appleton and Company (Figs. ¹³, ³⁵, ³⁹, ⁴⁰, ⁴¹, ⁴², ⁴³, ⁴⁴, ⁴⁵ and ⁴⁶, “Volcanoes: What They Are and What They Teach,” by J. W. Judd; Fig. ¹⁵, “Principles of Geology,” by Sir C. Lyell).