REFERENCES
Heiken, G., McCoy, F., 2000, Volcanic hazards and disasters in human antiquity: Boulder, The Geological Society of America, 23 p.
Kenedi, C.A., 2000, Volcanic ash fall--a "hard rain" of abrasive particles: Reston, U.S. Geological Survey, 1 p.
U.S. Geological Survey, 1998, What are volcano hazards?: Reston, U.S. Geological Survey, 2 p.
U.S. Geological Survey, 2000, Mount Hood--history and hazards of Oregon's most recently active volcano: Reston, U.S. Geological Survey, p. 1-4.
Wood, R., 1987, Earthquakes and volcanoes: London, Mitchell Beazley Earth International Ltd, p. 25-26.
Image locations:
http://www.concordia.edu/ashe/images/mt hood.jpeg
http://asuaf.org/~theicewolf/cov05P7060655MtHoodPlane04.JPG
http://www.vulkaner.no/v/vulkinfo/pics/ig_lahar2.jpg
http://volcanoes.usgs.gov/Imgs/Jpg/Mayon/32923351-018_med.jpg
http://volcanoes.usgs.gov/Imgs/Jpg/Photoglossary/30210600-078_med.jpg
http://www.geo.mtu.edu/volcanoes/west.indies/soufriere/govt/images/072696/sego-04_02.jpg
http://www.uwiseismic.com/Images/volc_haz5lge.jpg
Hazard Map location:
http://vulcan.wr.usgs.gov/Volcanoes/Hood/Hazards/OFR97-89/OFR97-89_map.pdf