Limestone - Is along Little Piney Creek in Limestone Township. Built in 1845 by Jacob B. Lyon & Co.(hcc). It was a cold blast, charcoal furnace with one tuyere, water powered, 30' high (or 32'-jm) with 8' bosh(s&t/hcc). It produced 1000 tons in 1847 and following years. It was abandoned in 1853(hcc). The 15 foot high ruins are in poor condition. (P)(V)(rp-1977, he,rp,km-2004). Go south toward Limestone on PA66. Turn left on SR2001 and proceed about 1.1 miles down to where a road goes right and immediately crosses Piney Creek. Park before crossing the creek. The furnace is on the right against the hillside about 100 feet before crossing Piney Creek. The furnace is a high pile of stones and much rubble. There is much slag around. GPS Coordinates 41º 08.777'N - 79º 18.640'W.(km,rp-he-2004)
