Page 167 Chapter 24 - Ketchum,
Sun Valley and Shoshone: |
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The north (Warm Springs) side of Bald Mountain, looking across the Big Wood River from north of Ketchum, February, 1987. Sun Peak in the foreground is underlain by Eocene dacite lava flows of the Challis Volcanic Group. Bald Mountain is underlain by Upper Paleozoic Sun Valley Group sedimentary rocks. |