View of the west wall of South Inyo Crater. The rocky cliff
visible in the crater wall is the top of a series of basaltic
lava flows that were erupted between 200,000 and 100,000 years
ago onto the west floor of Long Valley caldera.
U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
URL http://lvo.wr.usgs.gov/gallery/32022545-010_caption.html
Contact: Long Valley Web Team
Last modification: 9 October 1999 (SRB)