Chemeketa has 29 copies of Shock Waves: One hundred years after the 1906 earthquake. It is sponsored by the US Geological Survey. 2006, new and sealed, 46 min duration. http://earthquake.usgs.gov/regional/nca/1906/shockwaves/ for more info. If your library would like a copy (or more), please email Bev at becklund at my.chemeketa.edu