tons, cost, mines, estimated, production, rate, cwt, gross, quantity, completed, machines, supply, coals, tonnage, Iron, coke, daily, improvements, consumption, purposes, workings, worked, dock, expenditure, produce, largest, running, driven, returns, fair, smelting, docks, constructed, sold, shops, inclusive, balance, drilling, deep, consumed, furnaces, blocks, Bessemer, exclusive, situated, rapidly, week, yearly, require