Hecla Furnace was one of 46 charcoal iron furnaces located in southern Ohio's six-county Hanging Rock Iron Region. The furnaces produced iron from 1818 to 1916. By 1875, southeastern Ohio led the nation in iron production. Civil War armaments, . . . — — Map (db m310274) HM
The Hanging Rock Iron Region
To furnish the needs of the early settlers, then to furnish ordnance for a nation at war, and finally to furnish merchant iron to the steel mills, 100 iron producing blast furnaces were built within these 1,800 . . . — — Map (db m59371) HM