Roper's Knob Fortifications is located in Tennessee

Roper's Knob Fortifications were constructed by Union Army forces between February and May 1863 in Franklin, Tennessee. According to Tennessee Archaeology, "Roper's Knob served as part of a chain of signal stations that provided a communications link from Franklin to Murfreesboro. Additionally the knob had a large redoubt capable of holding four large artillery pieces, a blockhouse, cisterns, and a magazine...."^[2]

• http://en.wikipedia.org/wiki/Roper's Knob Fortifications