Digging up Alaska's volcanic secrets - Alaska Dispatch News

Alaska Dispatch News
Digging up Alaska's volcanic secrets
Alaska Dispatch News
Kristi Wallace, left, and Katie Mulliken of the Alaska Volcano Observatory dig through peat in search of ash layers on the Seldovia slough in May 2017. (Erin Mckittrick / Ground Truth Trekking). Share on Facebook Facebook. Share on Twitter Twitter ...