The ultimate guide :  volcanoes / 
[Videorecording] directed by Brando Quilici; written by Robert Golberg; produced by Brando Quilici Productions and Digital Source Pictures, Ltd.   
 - Silver Spring, Md :  Discovery Channel,   2003. 
 - 1 videodisc (50 min): sd.: col.; 4 3/4 in.   
<br/><br/> Looks at ways and means volcanologists predict volcanic eruptions. Watch as they put those theories to the test at the summit of smoldering Mount Tungurahua in Ecuador. It's a high-stakes game of man versus the mountain; because if any of these theories prove correct, they could help forecast future volcanic activity and save lives all over the planet.  
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<br/><br/><label>Dewey Class. No.: </label>DVD 551.21 U18 2003