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Now Incorporating Aggregates Manager



Do You Go Along To Get Along?

If A Whole Group Does It, It Can Spell Disaster. Here’s How To Avoid The Abilene Paradox.

By Steve Schumacher

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What Makes River Rock Round?

Abrasion makes a rock roundFor centuries, geologists have recognized that the rocks that line riverbeds tend to be smaller and rounder further downstream. But these experts have not agreed on the reason these patterns exist. Abrasion causes rocks to grind down and become rounder as they are transported down the river. Does this grinding reduce the size of rocks significantly, or is it that smaller rocks are simply more easily transported downstream?

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Who’s Number One?

With the announcement that Martin Marietta Materials Inc. and Texas Industries Inc. unanimously approved a merger agreement came the assertion that “Martin Marietta will become the nation’s largest producer of construction aggregates, supplying the crushed stone, sand and gravel used to build the roads, sidewalks and foundations on which Americans live.”

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Diesel Fuel Prices

The national estimated average price-per-gallon for off-highway diesel fuel as of March 14 is $3.761. That is lower than the previous comparison price-per-gallon of $3.764.

Permitting - February 2014

Township Rejects Permit Proposal

Lafarge Lands Permit

Missouri Quarry Plan Under Fire

Coldspring Gets Conditional Use Permit

Read more: Permitting - February 2014