Red Butte and Muddy Fork Lava Flow on the Flanks of Mt. Adams
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Red Butte and Muddy Fork Lava Flow on the Flanks of Mt. Adams
Red Butte and a lava field of blocky andesite called the Muddy Fork Flow, that issued from a vent near the Butte near Mt. Adams, Mt. Adams Wilderness, Gifford Pinchot National Forest, Cascade Mountains, Washington State, USA