Tags: limestone

Public hearing addresses deeper mining, new conveyor permits for Lehigh

May 03, 2013

Public hearing addresses deeper mining, new conveyor permits for Lehigh

Representatives from the Maryland Department of the Environment, Army Corps of Engineers and Lehigh Cement Co. joined together at a public hearing in New Windsor, Maryland, last night to answer questions regarding proposed permits for Lehigh, the Carroll County Times ...

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Saving Time and Money

Apr 07, 2013

Saving Time and Money

An Indiana limestone operator reduces conveyor carryback and spillage, freeing up maintenance crew for other tasks. The North American Limestone Corp. (NALC) is spearheading the Indiana market with high-quality limestone. In 2008, NALC leased a 175-acre tract of humble farm ground in ...

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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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Bad News, Good News, and Really Good News

May 01, 2012

A trip to the repair shop leads to insights on geologic formations and thermal expansion valves. By Bill Langer This morning, I got up bright and early and took our 2004 mini-van to a little repair shop in North Phoenix — the ...

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Prospecting with Geological Maps

Feb 16, 2012

Prospecting with Geological Maps

The search for potential aggregate sources begins with the proper framework. By Bill Langer When I was studying geology in college, one of my professors had us prepare a geologic map of a rather small area near campus. The main goal was ...

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Data Mining December 2011

Dec 02, 2011

Data Mining December 2011

M&A Activity remains slow, but Martin Marietta and Lafarge swap assets The number of merger and acquisition transactions in North America was up 13 percent for the three quarters ending Sept. 30, 2011, while the total value of these transactions was ...

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