Tags: MSHA (Mine Safety and Health Administration)

Opening Its Doors

Oct 04, 2012

Opening Its Doors

Through a variety of community relations programs, Silvi Group strives to be an asset to the communities in which it operates.   By Therese Dunphy, Editor-in-Chief     Nearly 15 years ago, Fairless Hills, Pa.-based Silvi Group Companies began its foray into community engagement by ...

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Going With the Flow

Apr 01, 2012

Going With the Flow

When access to its river aggregate supply was cut off, Churchman Sand & Gravel turned to recycling material brought in by construction and landscaping companies. Fred Churchman opened Churchman Sand & Gravel in Tucson in 1946. Dick Smith became a partner ...

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It’s a different world

Apr 01, 2010

It’s a different world

Venture into an underground aggregate mine and you might think you’ve entered Moria, the underground dwarf kingdom in J.R.R. Tolkein’s The Lord of the Rings. by Kerry Clines, Senior Editor An underground aggregate mine is something to behold. It’s not for the ...

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