June 06, 2025
The Lake Carriers' Association reports that shipments of limestone on the Great Lakes totaled 3.6 million tons in May, a decrease of 6.8 percent compared to a year ago. May's loadings were above the month's 5-year average by 1.1 percent.
Loadings from U.S. quarries decreased 6.9 percent compared to 2024 to 2.9 million tons. Shipments from Canadian quarries totaled 688,697 tons, a decrease of 6.2 percent.
Year-to-date the Lakes limestone trade stands at 5.6 million tons, a decrease of 13.2 percent compared to a year ago. Loadings from Michigan and Ohio quarries total 4.6 million tons, a decrease of 11.9 percent. Shipments from Ontario quarries decreased 18.4 percent to 985,761 tons.
Source: Lake Carriers' Association