Evan Duggan

One of B.C.’s oldest companies is winding down its businesses and selling one of its last major assets, a historic mining site in Abbotsford that could eventually be redeveloped.

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Abbotsford-based Clayburn Industries has listed for sale its 361-acre Sumas Mountain property. The site is currently home to the largest operating sandstone and shale quarry in the Pacific Northwest, which would be viable and productive until at least 2045, the sellers told Postmedia.