Tags: Niagara Escarpment

Walker Industries Holdings continues with Duntroon Quarry expansion

Sep 02, 2013

Walker Industries Holdings continues with Duntroon Quarry expansion

Walker Industries Holdings announced in July that it has been cleared to continue with the planned expansion of its Duntroon Quarry, located on the Niagara Escarpment in Canada. The announcement comes after the Ontario Superior Court of Justice dismissed an application ...

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State and Province News January 2011

Jan 03, 2011

To keep up to date with this breakdown of news in the United States and Canada, visit www.AggMan.com for daily updates. Arizona A new University of Arizona-based training center is being designed to improve how students and miners are taught the science ...

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