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In 1990, Waupaca Foundry supplied 20,000 tons of used sand for a Wisconsin

Piyush Shukla · Business · 2026-09-08

In 1990, Waupaca Foundry supplied 20,000 tons of used sand for a Wisconsin

A highway in Wisconsin became an unexpected test ground for recycled industrial sand. In 1990, Waupaca Foundry supplied about 20,000 tons of used foundry sand for a pilot road project. Twelve years later, the company was contracted to provide 80,000 tons for Highway 10 near Waupaca. The shift showed... A highway in Wisconsin became an unexpected test ground for recycled industrial sand.

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