Here are some more links to get more information:

http://volcano.und.edu/vwdocs/volc_images/north_america/mt_hood.html

http://en.wikipedia.org/wiki/Mount_Hood

http://www.mthood.info/

http://vulcan.wr.usgs.gov/Volcanoes/Hood/framework.html

http://www.ess.washington.edu/SEIS/PNSN/HOOD/

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