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Joe McCarthy

This mobile crusher at Graniterock’s A.R. Wilson Quarry in Aromas, California, is a sight to see. Weighing 750 tons, the mammoth machine is said to be the largest self-propelled rubber tire crusher in the world. Learn more about “the Krupp,” as Graniterock’s employees lovingly call the crusher, in the March 2019 edition of Portable Plants, sister magazine to Pit & Quarry. Photo: Aaron Witt

Quarry Faces: February 2019

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