This view of Glass Creek and Obsidian flows from atop Lookout
Mountain is toward the west-northwest. The Glass Creek flow
descends the northwest wall of Long Valley caldera. Highway
395 is visible through the trees.
U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
URL http://lvo.wr.usgs.gov/gallery/32022545-045_caption.html
Contact: Long Valley Web Team
Last modification: 9 October 1999 (SRB)