More from Therese Dunphy

Therese Dunphy has been covering the aggregates industry since 1991 and helped launch Aggregates Manager in 1996.

Screen media options for aggregates producers

Mar 01, 2015

Screen media options for aggregates producers

Specialized media for dewatering screens McLanahan Corp. manufactures its own screen media in-house and offers a specialized screen media and mounting system used with dewatering screens. The McLanahan Type 02 Screen Media was specifically designed to carry heavy loads while resisting ...

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Luck Stone takes mining high tech (again!)

Mar 01, 2015

Luck Stone takes mining high tech (again!)

When it comes to innovation within the aggregates industry, Luck Stone stands out. From building an environmentally friendly scalehouse to pioneering its own remote-controlled wheel loader to access additional reserves and protect workers, Luck Stone has a well-earned reputation for ...

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State and Province News

Mar 01, 2015

California 3M submitted a draft environmental impact report (EIR) for its proposed 1,850-acre Moody Flats Quarry in Shasta County, but faces opposition from local residents and California’s Department of Fish and Wildlife. The Record Searchlight reports that more than 300 letters ...

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MSHA steps up enforcement and education

Mar 01, 2015

MSHA steps up enforcement and education

Regulators and operators should feel a sense of urgency when it comes to reversing the spike in metal/non-metal fatalities. That was the message shared by Joeseph A. Main, assistant secretary of Labor for Mine Safety and Health, and Neal Merrifield, ...

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Quarry reclamation projects to be recognized

Mar 01, 2015

Quarry reclamation projects to be recognized

Before the first shovel of overburden has been removed from most mines, plans are already made for a post-mining land use. Given the size of most aggregate operations, many communities often require approval of these plans before a permit is ...

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Opportunities for worker recruitment and retention

Feb 26, 2015

Opportunities for worker recruitment and retention

Got workers? If the answer is “not enough,” you aren’t alone. The challenge of finding and retaining skilled workers is a common theme among many aggregates companies these days. Through the 2015 Aggregates Manager Forecast Survey, we asked aggregates producers throughout ...

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Product of the Week: Dyno Nobel’s DigiShot 300 RF blasting system

Feb 21, 2015

Product of the Week: Dyno Nobel’s DigiShot 300 RF blasting system

Dyno Nobel and its joint venture partner, DetNet, offer the new DigiShot 300 RF system, which is designed to improve safety of blasting operations. The system is designed for single box firing with the capability of firing up to 450 ...

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Product of the Week: John Deere’s 850K crawler dozer

Feb 20, 2015

Product of the Week: John Deere’s 850K crawler dozer

John Deere’s new crawler dozer, the 850K, not only meets Tier 4 Final emissions standards, but also includes features such as EcoMode and an updated Electro-Hydraulic control system. The new control system has features such as blade shake for power-angle-tilt ...

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Martin Marietta sees business results soar

Feb 20, 2015

Martin Marietta sees business results soar

Product price increases, lower operational costs, and growth across all product lines were among the highlights shared by Ward Nye, chairman, president, and CEO of Martin Marietta during a recent call with investors and financial analysts regarding fourth quarter 2014 ...

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Lafarge’s Spy Hill Plant produces material for growing Calgary market

Feb 16, 2015

Lafarge Canada Inc. has 10 active aggregates operations around Calgary, including five mobile plants, two fixed wash plants, two mobile wash plants, and its flagship operation at Spy Hill. The 640-acre property has a large fixed plant and several mobile ...

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Aggregates producers take to the Hill to protest Waters of the U.S. rule

Feb 11, 2015

Aggregates producers take to the Hill to protest Waters of the U.S. rule

Ditch the rule. That was the message as a dozen aggregates producers who are members of the National Stone, Sand and Gravel Association (NSSGA) took to Capitol Hill this week  to talk to their Congressional representatives about the Environmental Protection Agency's (EPA) ...

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Atlas Copco to exit crushing and screening business

Feb 10, 2015

Atlas Copco to exit crushing and screening business

Atlas Copco announced that it will discontinue its Powercrusher business, which manufactures and sells mobile crushers and screeners.  “We are discontinuing this business as it does not fit strategically for us,” says Johan Halling, president of Atlas Copco’s Mining and Rock Excavation Technique business area, in a ...

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