Revision History for U.S. Geological Survey Open-File Report 2012-1164

By M. Clark Blake, Jr., Edgar H. Bailey, and Carl M. Wentworth

The Cedars Ultramafic Mass, Sonoma County, California

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Posted online August 6, 2012

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Revised and reposted August 27, 2012

Fixed typo and added to caption on page 2:
Sargent Cypress (Hesperocyparis sargentii)

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Revised and reposted April 29, 2016

Correction to figures 5 and 6. The symbols explanations on figs. 5 and 6 
were reversed in the original report.