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Lava Caves

OPB | Oct. 25, 2007 1:30 p.m.

Ken Siegrist of the Bureau of Land Management surveys the lava fields of south central Oregon searching for unknown caves hidden in the landscape. Follow him as explores one lava tube cave to learn more about its ecosystems and marvel at their geologic wonders.

First Broadcast: 2007
Producer: Jim Newman

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Major Support Provided By:

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  • Fred and Clara Dolen Charitable Foundation

Additional Support Provided By:

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