Copies of reports written and submitted by Regional Chairman Ken Seiling to members of the Council of the Regional Municipality of Waterloo including the general address to the Waterloo Regional Council, a report concerning groundwater assessment and protection in the region of Waterloo, and a report recommending that the Regional Municipality of Waterloo establish 1990 as Environment Year. All copies of the Regional Chairman's reports include annotations possibly written by Andrew Telegdi during his tenure as a Elected Councillor representing the City of Waterloo and the Regional Municipality of Waterloo.

Contains material relating to the millennium celebrations. Includes "Our Millennium" promotional material, brochures, booklets, snapshots of the "Our Millennium" launch at Woodside National Historic Park, snapshots of a St. Jacobs train ride, newspaper clippings, correspondence to and from the Kitchener and Waterloo Community Foundation, event invitations and announcements, "Our Millennium" gift registry, and reports on the "Our Millennium" project.

Jeff Hutchenson (Master of Cermeonies), Don Craig (President Oktoberfest), Mike Harris (Premier of Ontario), Richard Christie (Mayor of Kitchener), Brain Turnbull (Mayor of Waterloo), Ken Seiling (Chairman of the Region).