The Lake Carriers' Association reports that shipments of limestone on the Great Lakes totaled 3.3 million tons in September, a decrease of 11.5 percent compared to 2024. Limestone cargos were also below the month's 5-year average by 6 percent.

Loadings from U.S. quarries decreased 13.5 percent from last year to 2.7 million tons. Shipments from Canadian quarries totaled 663,144 tons, a decrease of 2.3 percent.

Year-to-date, the limestone trade stands at 19.6 million tons, a decrease of 5.8 percent compared to 2024. Loadings from Michigan and Ohio quarries decreased 4.2 percent to 16 million tons; while shipments from Ontario quarries decreased by 12.3 percent to 3.6 million tons.

Source: Lake Carriers' Association

 

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