Tulloch Mill was a water mill at the Stanislaus River, in use from 1854 until the end of the 1800s.
There are two millstones on display. A sign next to the stones tells us:
The first flour mill, washed out in the 1862 flood, used two stones. In rebuilding the mill, David Tulloch ordered five sets of stones from Belgium, which were shipped around the horn to San Francisco.
The stones were about four feet in diameter. They were made of several pieces of granite cemented and bound together with iron hoops. The grinding surfaces of the stones were grooved and hand cut by European artisans.
These remains of the millstones in front of you have been severely weathered by the acid from the oak tree overhead.
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