Tags: U.S. Geological Survey

The Nation’s Top 25 Construction Aggregates Producers

Apr 01, 2013

The Nation’s Top 25 Construction Aggregates Producers

2011 marked the first increase in production since 2006, with slight price increases as well.   U.S. production of construction aggregates in 2011 was 2.17 billion short tons, valued at $17.2 billion, free on board (f.o.b.) at plant. Construction aggregates production decreased ...

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2012 production stats end on a low note

Mar 01, 2013

2012 production stats end on a low note

After a fairly robust beginning, 2012 production ended on a whimper, according to a new report from the U.S. Geological Survey. Crushed Stone and Sand and Gravel in the Fourth Quarter 2012 indicates that an estimated 282 million metric tons of ...

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Scorpions and Swedish Industrialists

Mar 01, 2013

Scorpions and Swedish Industrialists

What in the world is he talkin’ about?   By Bill Langer   The scene: Our home in Anthem, Ariz., a suburb of Phoenix, located in the Sonoran Desert. It was 8:30 p.m. My wife, Pam, turned on the light in the bedroom and sent ...

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Aging Aggregate Equipment

Aug 01, 2012

As operators defer capital expenditures, iron continues to age, but our exclusive survey shows that operators are beginning to expand capital expenditures.   Repair, rebuild, or replace? It’s the conundrum facing many operators throughout the aggregate industry. Over the last six years, ...

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The Devil Made Me Do It

Aug 01, 2012

The Devil Made Me Do It

What you see is what you get — in reel life and in real life.   While eating dinner the other day, my wife asked what my next Carved In Stone article was going to be about. “What you see is what ...

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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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Rock Science

Apr 01, 2012

Rock Science

Consider the impact of the physical and chemical properties of the parts when evaluating the whole. By Bill Langer After I retired from the U.S. Geological Survey last November, my wife, Pam, and I moved to Phoenix, Ariz. We currently live with ...

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Room to Grow

Feb 17, 2012

Room to Grow

Plant upgrade opens custom crushing opportunities across the state for a Wyoming operator. by Mary Foster, Contributing Editor With just under 533,000 people, Wyoming has the smallest population of any of the United States, although last year it ranked 14th in the ...

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A Clean Sweep

Feb 16, 2012

By Therese Dunphy Settlements on alleged Clean Air Act (CAA) and Clean Water Act (CWA) violations are cleaning the pockets of a growing number of construction materials producers. In recent months, the U.S. Environmental Protection Agency (EPA) and U.S. Department of ...

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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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Carved in Stone

Jan 07, 2012

Carved in Stone

Seeking the Philosopher's Stone From the father of soil mechanics to a fictional young wizard, many have sought mythical solutions to complex problems. Alchemists reasoned that the transmutation of cheap metals into gold could be affected by a dry powder made from ...

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November 2011 State and Province News

Nov 15, 2011

To keep up to date with this breakdown of news in the United States and Canada, visit www.AggMan.com for daily updates. Georgia The Columbus Council unanimously approved Vulcan Materials’ request to construct an elevated, enclosed conveyor to transport material from its quarry ...

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