Grindstones have been quarried in Wood and Jackson counties.
From the Ohio sandstone known as Berea grit a very large portion of the country's grindstones and pulpstones has been obtained; in 1908 the value of Ohio's output of these stones was $482,128.
The department produces lime, grindstones and brick-clay.
Some light grey sandstone found in Rocky Canon, Gallatin county, looks much like the Berea (Ohio) sandstone; and a sandstone quarried at Columbus, Yellowstone county, was manufactured into grindstones equal to those made from the Berea stone.
Grindstones, building-stone, talc, gypsum, marble and phosphates are also produced.
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