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1980 eruption of Mount St. Helens (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "1980 eruption of Mount St. Helens" in Simple English language version.

refsWebsite
Global rank Simple English rank
1books.google.com
3rd place
2nd place

books.google.com

  • Fisher, Richard V.; Heiken, Grant; Hulen, Jeffrey (1998). Volcanoes: Crucibles of Change. Princeton University Press. p. 334. ISBN 0-691-00249-5.