Regional Municipality of Durham
Created in 1973 in part from Ontario and Durham Counties.
Regional Municipality of Durham
Image scanned from
Map 21-6 [Southern Ontario]
Survey and Mapping Branch, Ministry of Natural Resources
Government of Ontario, revised and printed 1980
The Changing Shape of Ontario Home | Ontario's boundaries 1774-1912 | Early Districts and Counties
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Municipal Restructuring since 1996 | Sources of Information