Basaltic Arches
![Basaltic Arches](http://io.ocean.washington.edu/files/1472.arches.web_med.jpg)
Baslatic arches mark zone of collapse in flow channel for April eruption at Axial Volcano
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For commercial use or higher resolution please contact Nancy Penrose
Baslatic arches mark zone of collapse in flow channel for April eruption at Axial Volcano
For commercial use or higher resolution please contact Nancy Penrose