Version history for Nathenson, Manuel, 2006, Publications of the Volcano Hazards Program 2004: U.S. Geological Survey Open- File Report 2005-1102 [available on the World Wide Web at http://pubs.usgs.gov/of/2006/1102/ ] Version 1.0, June 13, 2006 Initial release online at http://pubs.usgs.gov/of/2006/1102/