Revision History for USGS Miscellaneous Investigations Map I-2362 B.C. Hearn, Jr., J.M. Donnelly-Nolan, and F.E. Goff Geologic Map and Structure Sections of the Clear Lake Volcanics, Northern California ----------------------------------------------------- Posted online at http://pubs.usgs.gov/imap/2362/ February 27, 2012 Initial release in paper form 1995 -----------------------------------------------------