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This half hour special uncovers new volcanic mysteries as we take you trekking along with scientists on Mount Saint Helens and in the Oregon Cascades to discover what we've learned and what we still don't know about the 'volcanoes in our backyard'. Scientists also search for clues that may help them predict the next eruption in the cascades.

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Oregon Field Guide

Volcanoes In Our Backyard

OPB | Jan. 24, 2008 12:30 p.m.

Discover what we've learned and what we don't know about the volcanoes in our backyard.

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Major Support Provided By: Dorothy D. Gage

Additional Support Provided By: the Coit Family Foundation, Fred and Clara Dolen Charitable Foundation, Kay Kitagawa and Andy Johnson-Laird, Christine and David Vernier, and the Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy.

Special thanks for support by: The Roundhouse Foundation, Jon and Nancy Decherd, Bonnie and Peter Reagan