Do Greater Sudbury's characteristics make it a prime location to have established a DUMB? Just asking.
-NW

About Greater Sudbury
https://www.greatersudbury.ca/live/about-greater-sudbury/

[snip]

Greater Sudbury is 3,627 square kilometres in area, making it the geographically largest municipality in Ontario and second largest in Canada. Greater Sudbury is considered a city of lakes, containing 330 lakes and and the largest lake contained within a city, Lake Wanapitei.

In 2018, Greater Sudbury was home to approximately 166,000 people. It is a multicultural and truly bilingual community. Greater Sudbury is home to the third largest French population outside of Quebec. Approximately 38 per cent of people identify as knowing both official languages. Italian, Finnish, German, Ukrainian and Polish are the top five non official languages spoken in the City. More than six per cent of people living in the City are First Nations.

Greater Sudbury is a world class mining centre. The city's mining companies employ approximately 6,000 people and support a 300-company mining supply and service sector cluster that employs a further 10,000 people. The city is also a regional centre in financial and business services, tourism, health care and research, education and government for Northeastern Ontario - an area that stretches from the Quebec border west to the eastern shore of Lake Superior and north to the James and Hudson's Bay coastlines – a market of 555,000.