The Changing Shape of Ontario: County of Ontario

The Changing Shape of Ontario: a Guide to Boundaries, Names and Regional Governments - Page Banner

Superseded in 1973, along with Durham County, by the Regional Municipality of Durham.

County of Ontario
No. 21a - The Southern Part of the Province of Ontario - (Detail) Ontario
Province of Ontario. Department of Lands & Forests
1950
RG 1-707 Ministry of Natural Resources topographic maps
I0034500

In -A Guide to Boundaries, Names and Regional Governments -

The Changing Shape of Ontario Home
Ontario's boundaries 1774-1912
Early Districts and Counties
Districts of Northern Ontario
Post-World War II Regional Municipal Governments

Maps of Southern Ontario circa 1951 by County
Maps of Southern Ontario circa 1951 by Geographical Location
Municipal Restructuring since 1996
Sources of Information

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