2024 Outlook/Forecast

Aggregates Industry Looks To Make Gains As Projects Move Forward. By Mark S. Kuhar and Josephine Patterson Since President Joe Biden signed the Infrastructure Investment and Jobs Act (IIJA) into law Nov. 15, 2021, states have committed federal funds to support more than 56,000 eligible transportation improvements in all 50 states during the last two years, spanning nearly every U.S.…

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Great Lakes Limestone Trade Down Slightly in 2023

Shipments of limestone on the Great Lakes totaled 28.6 million tons in 2023, a decrease of less than 1% compared to 2022.  2023’s loadings were below the trade’s five-year average by 1.1%, according to the Lake Carriers’ Association. Loadings from U.S. quarries increased less than 1% from the prior year to 23.1 million tons.  However, shipments from U.S. quarries were…

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Permitting Update: Pennsylvania

Neiswonger Construction Inc., which operates the Maggie Lynn limestone quarry in Washington County, is hoping to start extracting the rock underneath it. The company is proposing to build an underground mine that would stretch for 337 acres in Deemston Borough, roughly the area of Schenley Park. It might take 30 years to extract all that rock, cranking out 250,000 tons…

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Great Lakes Limestone Trade Up 22.8% in November

Shipments of limestone on the Great Lakes totaled 3.1 million tons in November, an increase of 22.8% compared to a year ago. Limestone cargos were 7.3% above the month’s five-year average. Loadings from U.S. quarries increased 23.6% from 2022 to 2.6 million tons. Shipments from Canadian quarries totaled 536,912 tons, an increase of 19.2%. Year-to-date the limestone trade stands at nearly…

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Great Lakes Limestone Trade Down 2.6% in September

Shipments of limestone on the Great Lakes totaled 3.4 million tons in September, a decrease of 2.6% compared to a year ago.  Limestone cargos were below the month’s five-year average by 5.5%. Loadings from U.S. quarries totaled 2.8 million tons, a decrease of 2.4% from 2022. Shipments from Canadian quarries totaled 651,520 tons, a decrease of 3.5%. Year-to-date the limestone…

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Selecting Cone Crusher Liners

Are you using the optimum cone liners for your application? “It’s very important to choose the right liner for the feed size especially, and for the desired specifications and processing parameters,” said Curt Theisen, crushing technical support engineer for Superior Industries, whose rockface-to-loadout solutions team collaborates with producers to fine-tune processing circuits. Whether specifying a new crushing circuit or tweaking…

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