Version history for Stein, R.S., and Lin, J., 2006, Seismic constraints and Coulomb stress changes of a blind thrust fault system, 2: Northridge, California: U.S. Geological Survey Open-File Report 2006-1158, 17 p. [available on the World Wide Web at URL http://pubs.usgs.gov/of/2006/1158/ ]. Version 1.0, June 16, 2006 Initial release online at http://pubs.usgs.gov/of/2006/1158/