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Giles Lambertson in a previous life was a carpenter and has been writing about the construction, mining and heavy equipment industries for more than a decade. He can be reached at geepeela@yahoo.com.

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Inside a Knife River crushing operation Posted on 16 Mar 2018 in the featured & Features categories.

A Knife River operation in Oregon is poised to pounce on a rebounding market behind its new jaw and cone crushing plants.

New order: Renewing a crusher lineup Posted on 27 Apr 2015 in the featured & Features categories.

Replacing a broken crusher made a big difference for the Lafarge Pitt River Quarry. Rethinking the operation’s existing crusher arrangement made an even bigger difference. Operations at the Lafarge Pitt […]

Incorporating a rail line into a quarry and transportation system Posted on 09 Jun 2014 in the Features categories.

Missouri was a hotbed of rock formation several hundred million or a few billion years ago. Magma periodically flowed beneath and above the surface of the earth, cooling and hardening. […]

Need for proppant Posted on 01 Feb 2014 in the Features categories.

A Minnesota company creates a new start-up operation to meet frac sand demand. In ancient times, sea water washed across Wisconsin and Minnesota, eventually leaving sand on the sea bottom […]