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Dredging Through Decades

Willard Salemink is a walking encyclopedia of dredging technology. The 76-year-old founder of Twinkle earned his degree in general science from the University of Iowa in 1961 and began his career in steel fabrication. He launched Assemblers Inc, which concentrated on the design and construction of aggregate processing equipment including crushers, screens and conveyors.

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One Man'S Trash

As landfill space is lost, especially in dense areas engaged in urban renewal, it's increasingly difficult for construction contractors to dispose of

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