How volcanoes form, the manner in which they erupt, and volcanic action around the world are detailed along with past and present volcanic activity in the United States.
Messner,
图书
Poynter, Margaret.
Poynter, Margaret.
Sedor, Igor E.
1980
Discusses the formation of volcanoes, the eruption of such famous ones as Paricutin and Krakatoa, the ring of fire, the usefulness of volcanoes, and volcanic areas of the United States.
