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Thompson's Mills

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description Thompson's Mills Overview

Thompson's Mills is an Oregon state heritage site near Shedd in Linn County, first built in 1858 along the Calapooia River. It is among Oregon's oldest water-powered businesses and functioned as a flour and grist mill for over a century. The site preserves original water turbines, millstones, and grain-handling equipment from its period of operation. Now maintained as a state park, it offers visitors a look at nineteenth-century industrial milling technology in the Willamette Valley.

help Thompson's Mills FAQ

Where is Thompson's Mills State Heritage Site located?

Thompson's Mills is located near the community of Shedd in Linn County, Oregon, along the Calapooia River. It is operated as an Oregon state heritage site and is one of the few surviving water-powered grist mills in the Pacific Northwest.

When was Thompson's Mills originally built?

The original mill was constructed in 1858, making it among the oldest surviving commercial buildings in Oregon. It operated continuously as a flour and grist mill for over a century before being preserved as a heritage site.

What river powered Thompson's Mills?

Thompson's Mills was powered by the Calapooia River, a tributary of the Willamette River in Oregon's Willamette Valley. Water was diverted through a millrace channel to drive the original water turbines that turned the grinding stones.

Can visitors see the original milling equipment at Thompson's Mills?

Yes, the site preserves original water turbines and milling machinery that visitors can view on guided tours. The heritage site demonstrates how water power from the Calapooia River was harnessed to grind grain into flour, providing a rare look at 19th-century industrial technology in the Pacific Northwest.

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