![Mining Association of Nova Scotia on Twitter: "The first significant explosion in a Cape Breton coal mine took place in 1878 in the “Sydney mines,” what would later be called the Princess Mining Association of Nova Scotia on Twitter: "The first significant explosion in a Cape Breton coal mine took place in 1878 in the “Sydney mines,” what would later be called the Princess](https://pbs.twimg.com/media/FUZrSs8XEAArPwY.png)
Mining Association of Nova Scotia on Twitter: "The first significant explosion in a Cape Breton coal mine took place in 1878 in the “Sydney mines,” what would later be called the Princess
![Today In History – 10 Cape Bretoners Dead, Six Injured In Mine Explosion, 700 Meters Under Ocean Floor | Nova Scotia Buzz Today In History – 10 Cape Bretoners Dead, Six Injured In Mine Explosion, 700 Meters Under Ocean Floor | Nova Scotia Buzz](https://www.nsbuzz.ca/wp-content/uploads/2021/02/no26feature.jpg)
Today In History – 10 Cape Bretoners Dead, Six Injured In Mine Explosion, 700 Meters Under Ocean Floor | Nova Scotia Buzz
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