Ever wondered what the difference is between karat and carat? The terms are often used interchangeably, but technically they are two different measures of two different things. When describing gold coins or jewelry, three specifications are usually provided: weight (in troy ounces), dimensions, and fineness/purity.
Fort Jefferson was a town on the Mississippi River about one mile south of Wickliffe, Kentucky in southwestern Ballard County.
History: Fort Jefferson (named for President Thomas Jefferson) began construction in 1846. The already existing lighthouse on the island remained with in the fortâs walls up until it was demolished in 1877.A massive design, the fort featured two sides that measured 325 ft. and two walls that measured 477 ft.istory: Fort Jefferson (named for President Thomas Jefferson) began construction in 1846. The already existing lighthouse on the island remained with in the fortâs walls up until it was demolished in 1877.