15 February 2007 ProQuest CSA will be taking a maintenance window to install infrastructure upgrades ensuring continued reliable performance. The 12-hour maintenance window will begin on Saturday February 17, 2007 at 5:00 PM PST and run until Sunday February 18, 2007 7:00 AM PST. The following products will be unavailable during this window: - ProQuest(r), including ProQuest interface products, ProQuest Historical Newspapers (traditional and graphical K12 interface), American Periodicals Series - "Digital Vault" products, including the Gerritsen Collection, and Digital Sanborn Maps - ProQuest Dissertations and Theses Please share this information with your colleagues. Jayne Dickson California Digital Library 415 20th Street Oakland, CA 94612-2901 510.987.0550 [log in to unmask]