Isca Dumnoniorum 28 cities of Britain by the "History of the Britons" as Isca, although Ford read it as a reference to Penselwood and thought it more likely to be Lindinis (modern Ilchester). Isca was also known to the British as Caer Uisc but, after the Roman withdrawal from Britain around 410, there is very little evidence of habitation in Exeter for almost 300 years except for the remains of a building (possibly a church) in the area of the demolished forum and a few nearby graves dated to the 5th, 6th, and 7th centuries. After this, the historical record picks up
Wales in the Roman era Roman roads and "castra", mined gold at Luentinum and conducted commerce, but their interest in the area was limited because of the difficult geography and shortage of flat agricultural land. Most of the Roman remains in Wales are military in nature. Sarn Helen, a major highway, linked the North with South Wales. The area was controlled by Roman legionary bases at Deva Victrix (modern Chester) and Isca Augusta (Caerleon), two of the three such bases in Roman Britain, with roads linking these bases to auxiliaries' forts such as Segontium (Caernarfon) and Moridunum (Carmarthen). The best indicators of Romanising acculturation is