['< sod > also according to [ [ radiocarbon dating ] ] conducted in connection with an archaeological excavation in the summer of 2007, the ringfort mostly dates from before the early 10th to mid - 12th century. occupation deposits indicate the fort was used from around the early early 10th century to the early early 13th century. the later structure in a with a rectangular outline was likely actually built probably between the early 15th century and mid - 17th century. < ref name = " report " / > { { rp | 28 } } < eod > < to sod > int nan < eod >']