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Oregon Field Guide

Lava Caves


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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Part of Episode

Lava Caves; Zoo Vet; Berry Botanic Garden

Oregon Field Guide: Episode #1904
Original Broadcast: October 25, 2007