GRINDSTONE: This grindstone is an example of the actual stones ...

Photo by Robert K. Yosay | published: October 22, 2009

GRINDSTONE: This grindstone is an example of the actual stones used in the milling of flour by Lanterman’s Mill. The divots in the stone act as knives to remove the hard hulls of buckwheat and corn, and the flat surfaces grind the grains into flour, a mill official said.