Letusan Gunung St. Helens 1980 (Indonesian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Letusan Gunung St. Helens 1980" in Indonesian language version.

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archive.org

Fisher, R. V.; Heiken, G., Hulen, J. (1997). Volcanoes: Crucibles of Change. Princeton University Press. hlm. 117. ISBN 0-691-01213-X.

csmonitor.com

Ray, Dewey (March 27, 1980). "Oregon volcano may be warming up for an eruption". Christian Science Monitor. Diakses tanggal October 31, 2010.

doi.org

dx.doi.org

Taylor, H. E.; Lichte, F. E. (1980). "Chemical composition of Mount St. Helens volcanic ash". Geophysical Research Letters. 7 (11): 949–952. doi:10.1029/GL007i011p00949.

doi.org

Taylor, H. E.; Lichte, F. E. (1980). "Chemical composition of Mount St. Helens volcanic ash". Geophysical Research Letters. 7 (11): 949–952. doi:10.1029/GL007i011p00949.

google.co.uk

books.google.co.uk

Fisher, R.V.; Heiken, G.; Hulen, J. (1998). Volcanoes:Crucibles of Change. Princeton University Press. hlm. 294. Diakses tanggal 2015-02-08.

kgw.com

"List of victims from monument at Johnson Ridge observatory" (PDF). KGW news. Diarsipkan dari versi asli (PDF) tanggal 2009-05-25. Diakses tanggal 2015-05-08.

usgs.gov

vulcan.wr.usgs.gov

Tilling, Robert I.; Topinka, Lyn; Swanson, Donald A. (1990). "Eruptions of Mount St. Helens: Past, Present, and Future". U.S. Geological Survey (Special Interest Publication). Diarsipkan dari versi asli tanggal October 26, 2011. Diakses tanggal December 5, 2010. (adapted public domain text).
"Mount St. Helens Precursory Activity: March 15–21, 1980". USGS. 2001. Diarsipkan dari versi asli tanggal 2012-10-06. Diakses tanggal 2015-05-08.
"Mount St. Helens Precursory Activity: March 22–28, 1980". United States Geological Survey. 2001. Diakses tanggal May 26, 2007.
Cascades Volcano Observatory di vulcan.wr.usgs.gov Galat: URL arsip tidak dikenal (diarsipkan tanggal 20060925181511) USGS Mount St. Helens Precursory Activity
"Mount St. Helens Precursory Activity: March 29 – April 4, 1980". United States Geological Survey. 2001. Diakses tanggal May 26, 2007.
"Mount St. Helens Precursory Activity: April 5–11, 1980". United States Geological Survey. 2001. Diakses tanggal May 26, 2007.
"Mount St. Helens Precursory Activity: May 3–9, 1980". USGS. 2001. Diarsipkan dari versi asli tanggal 2013-02-03. Diakses tanggal May 26, 2007.
"Mount St. Helens Precursory Activity: May 10–17, 1980". United States Geological Survey. 2001. Diarsipkan dari versi asli tanggal 2010-03-12. Diakses tanggal May 26, 2007.

pubs.usgs.gov

"Reawakening and Initial Activity". United States Geological Survey. 1997. Diarsipkan dari versi asli tanggal 2007-06-09. Diakses tanggal May 31, 2007.

usinflationcalculator.com

As given by "Inflation Calculator". Diakses tanggal February 22, 2014.

washingtonpost.com

Harden, Blaine (May 18, 2005). "Explosive Lessons of 25 Years Ago". The Washington Post. hlm. A03. Diakses tanggal 2015-02-08.

web.archive.org

Tilling, Robert I.; Topinka, Lyn; Swanson, Donald A. (1990). "Eruptions of Mount St. Helens: Past, Present, and Future". U.S. Geological Survey (Special Interest Publication). Diarsipkan dari versi asli tanggal October 26, 2011. Diakses tanggal December 5, 2010. (adapted public domain text).
"Mount St. Helens Precursory Activity: March 15–21, 1980". USGS. 2001. Diarsipkan dari versi asli tanggal 2012-10-06. Diakses tanggal 2015-05-08.
"Reawakening and Initial Activity". United States Geological Survey. 1997. Diarsipkan dari versi asli tanggal 2007-06-09. Diakses tanggal May 31, 2007.
"Mount St. Helens Precursory Activity: May 3–9, 1980". USGS. 2001. Diarsipkan dari versi asli tanggal 2013-02-03. Diakses tanggal May 26, 2007.
"Mount St. Helens Precursory Activity: May 10–17, 1980". United States Geological Survey. 2001. Diarsipkan dari versi asli tanggal 2010-03-12. Diakses tanggal May 26, 2007.

webcitation.org

"List of victims from monument at Johnson Ridge observatory" (PDF). KGW news. Diarsipkan dari versi asli (PDF) tanggal 2009-05-25. Diakses tanggal 2015-05-08.