Lakes Limestone Trade Up Nearly 4 Percent in May

Great Lakes Seaway Partnership



CLEVELAND — Shipments of limestone on the Great Lakes totaled 3.745 million tons in May, an increase of 3.9 percent compared to a year ago. May’s loadings also bettered the month’s 5-year average by the same percent.

Loadings from U.S. quarries totaled 3.155 million tons, an increase of 7.9 percent compared to a year ago. Shipments from Canadian quarries totaled 590,000 tons, a decrease of 13.5 percent.

Year-to-date the Lakes limestone trade stands at 5.2 million tons, a decrease of 1.5 percent compared to a year ago. Loadings from Michigan and Ohio quarries total 4.47 million tons, an increase of 3.1 percent. Shipments from Ontario quarries total 767,000 tons, a decrease of 21.7 percent.


About Lake Carriers’ Association

Lake Carriers’ Association represents 13 American companies that operate 45 U.S.-flag vessels on the Great Lakes and carry the raw materials that drive the nation’s economy: iron ore and fluxstone for the steel industry, aggregate and cement for the construction industry, coal for power generation, as well as sand, grain and gypsum. Collectively, these vessels can transport more than 100 million tons of cargo per year. More information is available at


SOURCE: Lake Carriers’ Association