Tags: sandstone

Mining on the Pacific Rim

Nov 01, 2013

Mining on the Pacific Rim

Japanese aggregate quarries differ from those in the United States in very subtle ways.   By Kerry Clines, Contributing Editor   Aggregate mining in Japan is pretty much the same as it is in the United States — blasting, loading, hauling, etc. — but ...

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OSHA Slashes PEL, Costs to Skyrocket

Nov 01, 2013

OSHA-proposed rule would cut permissible exposure limits to crystalline silica in half; MSHA to follow suit.   By K. Brad Oakley   On Aug. 23, 2013, the Occupational Safety and Health Administration (OSHA) announced a proposed rule that will drastically reduce the current Permissible ...

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What in the World?

Feb 01, 2013

What in the World?

When it comes to this wall, you might just need some education.   By Bill Langer     This article is about a famous wall; a wall with such an important history that it has been designated a World Heritage Site. But what wall is ...

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A Christmas Story — It’s a Clinker!

Dec 01, 2012

A Christmas Story — It’s a Clinker!

While The Old Man may not have appreciated it, clinker is a welcome product in some parts of the world.   By Bill Langer     One of my favorite passages from the movie A Christmas Story (1983) goes like this: The Old Man (Ralphie’s father): ...

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