US Geological Survey visual mark

Title: Long Valley Observatory

Well CH-10B: Long Valley Caldera, California

Provisional Data: Subject to Revision!

Water levels since 1987 at USGS observation well CH-10B in Long Valley caldera, California

Hydrographs for Well CH-10B, based on unfiltered daily mean values.

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U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
URL http://lvo.wr.usgs.gov/Well10B.html
Contact: Long Valley Web Team
Last modification: 26 February 2003 (MS)