Bear Lake long cores before they were cut for shipping; one is 5.5 m and the other is 5.8 m containing organic lake mud and volcanic ash (tephra) layers deposited over the last 10,000-14,000 years.  Lake coring in collaboration with Mt. Holyoke College and Northern Arizona University

Bear Lake long cores before they were cut for shipping; one is 5.5 m and the other is 5.8 m containing organic lake mud and volcanic ash (tephra) layers deposited over the last 10,000-14,000 years. Lake coring in collaboration with Mt. Holyoke College and Northern Arizona University

Date: Aug 12th, 2005
Volcano(es): Redoubt
Photographer: Wallace, K. L.
URL: avo.alaska.edu/image/view/3221
Credit: Image courtesy of AVO / U.S. Geological Survey.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory/U.S. Geological Survey when using this image.
Full Resolution.