<p>MITCHELL ROCK On the way to Twin Peaks, we discuss three layers of rock that used to be part of the ocean floor. A quiet little topic? Not so much. The deepest layer, SERPENTINE, has been a subject of passionate debate. </p> <p> </p>

MITCHELL ROCK On the way to Twin Peaks, we discuss three layers of rock that used to be part of the ocean floor. A quiet little topic? Not so much. The deepest layer, SERPENTINE, has been a subject of passionate debate.

Plants of Twin Peaks: Episode 17

Audible Mount Diablo is an invitation to adventure. Its free multimedia tours combine lively interviews and music with the rush of wind and the chirps, howls, and growls of wildlife. Naturalists heighten visitors' appreciation of the sights and sounds at each stop, tell tales of the mountain's past, and suggest what to look for around the next bend.  Perfect to prepare for your first--or your hundredth--trip up the mountain. 

Sponsored by Save Mount Diablo and the Mount Diablo Interpretive Association

Produced by Audio Guides to the Outdoors

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Sports

Places & Travel

Wilderness

Audible Mount Diablo is an invitation to adventure. Its free multimedia tours combine lively interviews and music with the rush of wind and the chirps, howls, and growls of wildlife. Naturalists heighten visitors' appreciation of the sights and sounds at each stop, tell tales of the mountain's past, and suggest what to look for around the next bend. Perfect to prepare for your first--or your hundredth--trip up the mountain. Sponsored by Save Mount Diablo and the Mount Diablo Interpretive Association Produced by Audio Guides to the Outdoors

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Plants of Twin Peaks: Episode 17

Plants of Twin Peaks: Episode 17