Fonds is comprised of records created by or collected by Stephen Ogden documenting the Tiny Township Stop Dump Site 41 campaign. Dating 1979 through 2016, it represents a significant episode in Canadian environment activism and is comprehensive in scope. Among the materials included are: notes for speeches; transcriptions of government environmental assessments and WYE Citizens Group meetings; WYE Citizens Group press releases; maps and records of water well locations near Site 41; hydrological and geotechnical records pertaining to the watershed characteristics of the Site 41 area; MOE correspondence and statements relating to proposed dump site management, waste management and related technological considerations; Simcoe County “Corporate Services” records including meeting minutes and agendas, notifications, memorandum, notes, correspondence and emails, and media clippings; court proceedings and legal documents obtained through Freedom of Information requests made by Stephen Ogden; photographs, dossiers for exhibits; audio-visual materials including cassette tapes, VHS tapes, CDs and DVDs.

Fonds consists of correspondence, pamphlets, journal issues, and other material related primarily to the peace movement. Included are records of Kawartha Ploughshares and Project Ploughshares, and letters written between Alan and Linda Slavin and government officials regarding nuclear disarmament, capital punishment, etc.

Fonds consists of correspondence, photographs, computer tapes, newspaper clippings, speeches, articles, notes, research materials, certificates, name tags, educational records, and employment records pertaining to the life of Don Tapscott both while a student and during his working career.