To all listserv readers: Much to my horror my replies have ended up on the listserve instead of going to the intended recipients. My apologies to all concerned and I will try to be more careful in the future. Sincerely Kent Moran Center for Earthquake Research and Information University of Memphis To subscribe, change options, or unsubscribe, please see the instructions at http://listlva.lib.va.us/archives/va-hist.html