A blast furnace is a special type of furnace. They are used to make iron from ore. Blast furnaces are very large. They can be up to 60 metres (200 ft) tall and 15 metres (49 ft) in diameter.
Jonesborough, Tennessee. Jonesborough (historically also Jonesboro) is a town in, and the county seat of, Washington County, Tennessee, in the southeastern United States. The population was 5,975 at the 2010 census. It is Tennessee's oldest town.
Sponsored Topics. Cumberland City is a town in Stewart County, Tennessee, United States. The population was 316 at the 2000 census. It is part of the Clarksville, TN â KY Metropolitan Statistical Area. Cumberland City is the site of a TVA Cumberland Power Plant along the Cumberland River that provides 2.6 GW of electric power to much of the area, including the cities of Clarksville in Montgomery County and Dickson in Dickson County.