More from Brooke Wisdom

Rock Law

Feb 01, 2011

Lessons learned from a win Although Miller’s mine safety bill was defeated, the debate will continue with the new Congress. Learn what worked and remember it. By Henry Chajet and Bob Horn On Dec. 8, Rep. George Miller (D-Calif.), the outgoing chairman of ...

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Cover Your Tracks

Feb 01, 2011

Cover Your Tracks

Operating and maintenance techniques can extend undercarriage life. By Tom Nenne Steel tracks are designed to perform in tough underfoot conditions, but long hours in wet, muddy, slippery, rocky, or abrasive materials can translate into rapid wear and high repair costs. The ...

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A Singular Solution

Feb 01, 2011

A Singular Solution

A major dolomitic limestone operation creates new productivity for an old quarry and reduces energy costs at the same time. By Carol Wasson Several years ago, the Carmeuse Lime and Stone Quarry in Cedarville, Mich., hit a do-or-die point — “either rebuild ...

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Rollouts February 2011

Feb 01, 2011

Rollouts February 2011

Your complete guide to new and updated equipment and supplies in the aggregates industry. Constant chokefeeding maximizes production The new Terex Cedarapids CRC380HLS portable crushing and screening plant’s design is said to allow the cone crusher to be constantly choke fed, maximizing ...

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Carved in Stone

Feb 01, 2011

Carved in Stone

O is for obsidian Although a relative youngster in geologic terms, obsidian can change over time from glass to mineral. By Bill Langer Obsidian (ŏb-sĭd’-ē-ən) noun – a usually black or banded, hard volcanic glass formed by rapid cooling of lava that displays ...

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Supply Lines

Feb 01, 2011

Supply Lines

Fire in the hole Better aggregate production begins with proper drilling and blasting. Here’s a selection of drilling and blasting equipment on the market today. By Kerry Clines, Senior Editor Atlas Copco Construction Mining Technique USA LLC Atlas Copco says its ROC T35M is ...

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AggBeat

Feb 01, 2011

MSHA Ramps Up Exposure Monitoring The details of the added enforcement remain somewhat vague, but NSSGA is upgrading its efforts to help operations comply with the new standards.  By Tina Grady Barbaccia, News and Digital Editor The Mine Safety and Health Administration (MSHA) ...

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Editorial

Feb 01, 2011

Bigger and Better By Therese Dunphy A mere 20 years ago, I began covering the aggregate industry. After about a year on the job, I was tapped to spearhead the show daily for the industry’s big show — Con/Agg. Not ConExpo-Con/Agg — ...

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State and Province News February 2011

Feb 01, 2011

To keep up to date with this breakdown of news in the United States and Canada, visit www.AggMan.com for daily updates. By Therese Dunphy   Arkansas In late December, a federal appeals panel upheld a lower court ruling that a Fayetteville city ordinance that ...

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Data Mining February 2011

Feb 01, 2011

Data Mining February 2011

Looking through the rear view mirror It has been a wild ride for the AggMan Index (and the industry) in 2010, and it is another year that many are happy to see in the rear view mirror. Starting the year at ...

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State and Province News January 2011

Jan 03, 2011

To keep up to date with this breakdown of news in the United States and Canada, visit www.AggMan.com for daily updates. Arizona A new University of Arizona-based training center is being designed to improve how students and miners are taught the science ...

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ConExpo-Con/Agg Supplement

Jan 03, 2011

ConExpo-Con/Agg Supplement

Come to ConExpo-Con/Agg 2011 Mark your calendar for the big event in Las Vegas. By Kerry Clines, Senior Editor   Be sure to make your reservations for ConExpo-Con/Agg 2011, Tuesday, March 22 – Saturday, March 26, in Las Vegas. Advanced registration is going on ...

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