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Tuesday, June 2, 2026

Lakes U.S. Limestone Trade Down in May

Maritime Activity Reports, Inc.

June 2, 2026

Source: Lake Carriers' Association

Source: Lake Carriers' Association

Shipments of limestone from U.S. quarries on the Great Lakes decreased 8.1 percent from May of last year to 2.7 million tons. May’s loadings were also below the month’s 5-year average by 5.4 percent.

Year-to-date, the Lakes U.S. limestone trade totals 3.9 million tons, a decrease of 14.9 percent compared to 2025 and 15.7 percent below the 5-year average.


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