Big Southern Butte, a rhyolite dome located in the eastern Snake River Plain of Idaho
By Yellowstone Volcano Observatory
June 2017 (approx.)
Detailed Description
Big Southern Butte, a rhyolite dome located in the eastern Snake River Plain of Idaho. Photo by Devin Englestead, BLM (https://flic.kr/p/VYMDKz).
Sources/Usage
Public Domain.