Results for Devil's Backbone
Devil's Backbone
The Barlow Road ascended the south flank of Mt. Hood and descended the watersheds of the Zigzag and Sandy Rivers. Emigrants entered the valley below by following the long ridge to the east, called the Devil's Backbone, and then descended ...
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Devil's Backbone
A vent or vents fed by the Devils Backbone dike system emitted voluminous outpourings of andesite of Devils Backbone and created an extensive lava flow on the northwestern flank of Mount Mazama between 50,000 and 40,000 years ago. As seen ...
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