Fonds consists of minutes of Vaughan Township Planning Board, 1948-1970, and those of the Town of Vaughan Planning Committee, 1971-1982; and official plan amendments, 1960-1977, which in addition to the amendments per se include reference and background material, such as reports, by-laws, etc., and supporting Cartographic records; the noted amendments are the official registered copies originally lodged with the Office of the Registrar General of Ontario, under the Planning Act until amended in 1983, when the Registrar General relinquished this function and the documents were returned to the municipality. Fonds provides excellent evidence of the course and shape of development in Vaughan during the period specified. The following registered official plan amendments are missing: 1-3, 10, 12, 15, 25, 27, 34, 42, 48, 73, 75, 78, 80-81, 89; a complete set of duplicates of registerd official plan amendments is present to fill informational gaps.

Fonds consists of plans, reports, studies, correspondence, published materials, essays, and newspaper clippings which document the planning and development of Vaughan. Specific Vaughan topics within the fonds include the Maple dump, the Maple theme park, the Woodbridge annexation, and the building of the Vaughan industrial park, to name but a few. Moreover, official plans and studies for Thornhill, Maple, Kleinburg, Nashville, and Woodbridge provide invaluable evidence as to the evolutionary development of these communities.

Item consists of a report prepared by Conservation Branch of Department of Planning and Development, with assistance of Royal Ontario Museum of Zoology, Toronto and Suburban Planning Board and the Office of the Engineer of North York Township. Comments on geology, physiograpy, and climate of the Don Watershed; also comments on flora and fauna, water, land use and land use capability, and recreation in the area. Includes considerable historical data relating to the Don Watershed: Indigenous History, fur-trading and town planning, 1760-1792, the first settlements, roads and travel, mills, transportation, villages, industry, the watershed since 1867, etc.; most of information gleaned from material housed at the Department of Public Archives and Records, and the Dominion Bureau of Archives, Ottawa. Report includes as appendices a small number of maps delineating land use and existing woodland and restoration land. Only 200 copies of report issued.

Fonds consists of aerial photographs that cover the entire City of Vaughan and include images of streets and highways, rivers, railway lines and stations, hospitals, community centres, subdivisions, conservation areas, public attractions, reservoirs, factories and plants, lumber yards, airfields, fairgrounds, and shopping centres. Also included are "indexes" for each year which make finding a particular photograph or area of Vaughan quite easy. Also included is a Leroy Lettering Set which was used for mechanical lettering on maps and drawings in the Engineering Services Dept until 1995/96 at which time computers took a more prevalent role in the department's business functions. Also included are a polar planimeter which was used to determine metric area, and a case containing fifty-five railroad curves which were used in the design and layout of roads.