Tags: U.S. Geological Survey
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 ... Read More...
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 ... Read More...
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 ... Read More...
Aging Aggregate Equipment
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, ... Read More...
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 ... Read More...
Bad News, Good News, and Really Good News
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 ... Read More...
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 ... Read More...
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 ... Read More...
A Clean Sweep
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 ... Read More...
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 ... Read More...
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 ... Read More...
November 2011 State and Province News
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 ... Read More...
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