 Later as the colonies expanded and coal was discovered wood was replaced by coal and later Coke as the primary heating elements of the Iron Works across the south developed by the Dilliard Family, in Virginia, The Carolinas, Georgia, Tennessee and Alabama fed by coal mined from holdings in West Virginia and Alabama.Buff Warren, Dilliard's overseer operated the property in Franklin County around 1818 using initially slave labor, which was later compensated at the request of General Grant with a parcel being laid out in Gibson County, TN for 75 acres in the name of a Negro Woman named Sarah P Dillard and her infant child, Samuel, which was later confiscated by East Tn.puppet scalawags and carpetbaggers.