Janet Schaefer excavating section in Holocene block-and-ash-flow deposits on north side of "Bear" valley, southeast flank of Chiginagak. Deposits form terraced fill. Site for samples 04JSCH002 to 004.
Image courtesy of AVO / U.S. Geological Survey.
Please cite the photographer and the Alaska Volcano Observatory/U.S. Geological Survey when using this image. Full Resolution.