Janet Schaefer testing the highly acidic (pH 1.2) waters of upper Indecision creek.

Janet Schaefer testing the highly acidic (pH 1.2) waters of upper Indecision creek.

Date: Jun 19th, 2006
Volcano(es): Chiginagak
Photographer: Read, Cyrus
URL: avo.alaska.edu/image/view/10595
Image courtesy of AVO/USGS.
Please cite the photographer and the Alaska Volcano Observatory / U.S. Geological Survey when using this image.
Full Resolution.