Oregon Field Guide
Return to Mt. Hood Glacial Caves and Columbia Gorge Geology (28x10)
Uitzenddatum: Feb 16, 2017
The once spectacular glacier caves documented by Oregon Field Guide in 2013 are disappearing far faster than anyone predicted. Why? What role is climate and weather playing in the formation and destruction of these caves?
- in première gegaan: Feb 1990
- Afleveringen: 174
- Volgers: 6
- Lopend
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