Revision History for USGS Open-File Report 2010-1116 Robert A. Morton, Mark L. Buckley, Guy Gelfenbaum, Bruce M. Richmond, Adriano Cecioni, Osvaldo Artal, Constanza Hoffmann, and Felipe Perez Geological Impacts and Sedimentary Record of the February 27, 2010, Chile Tsunami; La Trinchera to Concepcion ----------------------------------------------------- Posted online at http://pubs.usgs.gov/of/2010/1116/ June 8, 2010 -----------------------------------------------------