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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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Funding provided by

Major Support Provided By:

  • Dorothy D. Gage and Dan Stanton

Additional Support Provided By:

  • Kay Kitagawa and Andy Johnson-Laird
  • Christine and David Vernier
  • Coit Family Foundation
  • Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy
  • Lois E. Jones
  • Bonnie and Peter Reagan