Seth Burgess, USGS Mendenhall postdoc, sampling the Old Crow tephra at the Halfway House site, south of Fairbanks.
Location:
Latitude: 54.116666666667
Longitude: -165.89248888889
Credit: Image courtesy of AVO/USGS.
Use Restriction: Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.