Cascades Volcano Observatory

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Map of Mount St. Helens Crater Glacier created from LiDAR data acquired September 2009.

Attribution: Natural Hazards, Volcano Hazards Program Office, Region 9: Columbia-Pacific Northwest, Cascades Volcano Observatory, Mount St. Helens

Erratics located on a cinder cone on the northeast flank of Newberry Volcano, Oregon.

Attribution: Natural Hazards, Volcano Hazards Program Office, Region 9: Columbia-Pacific Northwest, Cascades Volcano Observatory, Newberry