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Operations suspended at Donkin coal mine in Nova Scotia after roof collapse

Operations were recently suspended after a roof collapse at the underground Donkin coal mine in Nova Scotia, owned and operated by Kameron Collieries ULC, a Cline Group LLC subsidiary.

Donkin reopened in February 2017 after 15 years, aiming to extract metallurgical coal from an undersea deposit.

Mine Vice President Shannon Campbell told CBC News on Jan. 3 that the operation had "experienced certain adverse geological conditions beyond our control" during the scheduled holiday break in late December 2018.

The government directed the mine to assess various engineering and operational measures aiming to monitor, control and prevent similar issues.

Former workers at the mine had warned of unsafe conditions, calling the mine a "disaster in waiting" in March 2018. The workers, speaking on the condition of anonymity, said supporting bolts in the infrastructure were too short and noted inadequate roof support in mining galleries.