Volcanoes of the Earth

Bullard, Fred M., Volcanoes of the Earth, Revised Edition, Austin: University of Texas Press, 1976.

From A Guide to the Fred M. Bullard Papers, 1922-1987:

Educator and author Fred M. Bullard, 1901-1994, received his B. S. and M. S. in geology from the University of Oklahoma, and his PhD in 1928 from the University of Michigan.
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In the late 1920s, Bullard first became interested in volcanoes while on a geological survey expedition in Alaska. Over the next several decades, he attended numerous symposiums and expeditions, traveled to a number of volcanic sites around the world, including Africa, Iceland, and Mexico…