References

Ball, J. (n.d.).Types of volcanic eruptions. Retrieved February 19, 2010, from http:/‌geology.com/‌volcanoes/‌types-of-volcanic-eruptions/
Principal Types of Volcanoes. (n.d.). Retrieved February 21, 2010, from http:/‌pubs.usgs.gov/‌gip/‌volc/‌types.html

Seach, J. (n.d.).Biu Volcano. Retrieved February 17, 2010, from http://www.volcanolive.com/‌biu.html

Seach, J. (n.d.).Durango Volcano. Retrieved February 17, 2010, from http://www.volcanolive.com/‌durango.html

Seach, J. (n.d.).Little Sitkin.html. Retrieved February 17, 2010, from http://www.volcanolive.com/‌littlesitkin.html

Seach, J. (n.d.).Taftan Volcano. Retrieved February 17, 2010, from http://www.volcanolive.com/‌taftan.html








Back