Version history for Fisher, Michael A., Hyndman, Roy D., Johnson, Samuel Y., Brocher, Thomas M., Crosson, Robert S., Wells, Ray E., Calvert, Andrew J., and ten Brink, Uri S., 2005, Crustal structure and earthquake hazards of the subduction zone in southwestern British Columbia and western Washington, in Kayen, Robert, ed., Earthquake hazards of the Pacific Northwest costal and marine regions: U.S. Geological Survey Professional Paper 1661-C [available on the World Wide Web at URL http://pubs.usgs.gov/pp/pp1661c/ ]. Version 1.0 - April 3, 2006 Initial release online at http://pubs.usgs.gov/pp/pp1661c/