Great Lakes Limestone Trade Down in October
Shipments of limestone on the Great Lakes totaled 3.2 million tons in October, a decrease of 3.8 percent compared to 2024. Limestone cargos were also below the month’s 5-year average by 10.7 percent.Loadings from U.S. quarries totaled 2.6 million tons, a 6.1 percent reduction. Shipments from Canadian quarries increased 6.8 percent to 626,805 tons.Year-to-date, the limestone trade stands at 22.8 million tons, a decrease of 5.6 percent compared to a year ago. Loadings from Michigan and Ohio quarries decreased 4.5 percent from last year to 18.6 million tons…
Great Lakes Limestone Shipments Slip Slightly in July Amid Mixed Port Trends
Shipments of limestone across the Great Lakes held relatively steady in July 2025, totaling 3.53 million tons — a fractional drop of less than 1% compared to the same month last year, according to the Lake Carriers’ Association (LCA). Despite the minimal year-over-year change, the trade fell 6.7% short of the month’s five-year average, reflecting softer demand from some key markets.Loadings from U.S. quarries, which supply the bulk of the region’s limestone, reached 2.88 million tons in July, down 1% from 2024. Canadian shipments showed a similar pattern, easing slightly to 646,418 tons.
