Butcher helped organize a Neighbourhood Watch program in the community of Copper Cliff, and is active with police and aviation issues.

Service was only provided to Copper Cliff initially, with the lines on Notre Dame and Elgin opening shortly afterwards.

However, Sudbury had surpassed Copper Cliff in population by 1930 when it was reincorporated as a city.

Instead, Copper Cliff retained a rural P0M postal code.

The expansion of the city's boundaries gave the city the power to levy property taxes on Inco's surface operations in Copper Cliff and Frood, but not on their underground facilities.

In 1998, Inco emitted 146.7 metric tons of lead at Copper Cliff with a smelter production of 238,500 metric tons of nickel-copper matte.

The games were held at Maple Leaf Gardens in Toronto, Ontario, Winnipeg won their second Memorial Cup, defeating Copper Cliff three games to one.

The tornado tracked quickly eastward into the city, hitting the neighbourhoods of Copper Cliff and Robinson over the next ten minutes.

Part of the mine is located under the town of Copper Cliff, which means that additional care must be put into the crown pillar.

In 1952, it was redefined to consist of the city of Sudbury, the township of McKim, and the town of Copper Cliff.