The Lake Carriers' Association reports that shipments of limestone on the Great Lakes totaled 26.6 million tons in 2025, a decrease of 5.9 percent compared to the previous year. 2025's loadings were below the trade's 5-year average by 6.7 percent.

Shipments from U.S. quarries decreased 5 percent from 2024 to 21.7 million tons. Loadings from U.S. quarries were also 5 percent below their 5-year average.

2025 shipments from Canadian quarries totaled 4.9 million tons, a 9.7 percent decrease compared to 2024 and 13.9 percent below the 5-year average.

Source: Lake Carriers' Association

 

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