Caroline Furnace
Stood 11/2 mi. south. Built 1833 by Henry Blake & Co. Stone stack was 35 ft. high, with a maximum inner diameter of 10 ft.; burned charcoal. Air blast powered by steam. In 1838, produced 750 tons of iron, consuming 2062 tons of ore, 225,000 bushels of charcoal. Made 1200 tons of iron, 1857. Furnace operated until 1890. Marker presented by Armco Steel Corp.
(Reverse) Iron Made in Kentucky - A major producer since 1791, Ky. ranked 3rd in US in 1830s, 11th in 1965. Charcoal timber, native ore, limestone supplied material for numerous furnaces making pig iron, utensils, munitions in the Hanging Rock, Red River, Between Rivers, Rolling Fork, Green River Regions. Old charcoal furnace era ended by depletion of ore and timber and the growth of railroads.