How Volcanoes Work - (www.geology.sdsu.edu/how_volcanoes_work)

Montserrat Volcano Eruptions - (gbgm-umc.org/umcor/emergency/montvol.stm)

Coral Reefs: Volcanic Impacts - (www.sei.org/impacts.html)

Montserrat Under Siege - (www.blackvoices.com/news/news_special/mont/mont02/montf.htm)

Mount Saint Helen's Volcano - (www.forestsoils.org/esc110/2001Fall/projects/058/)