DULUTH, Minn. (AP) —  The union that represents snow plow drivers in Minnesota’s St. Louis County has filed a notice to strike with the state if negotiations for a new labor agreement continue to break down.

The Star Tribune reported Thursday that plow drivers and other public works employees could walk out after a 10-day “cooling-off” period after mediation.

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The union said in a statement that “county employees are permitted to strike on any future date.” Union members overwhelming voted last month to authorize a strike.

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A strike would come at a time when Duluth experienced its third-snowiest calendar year on record.

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