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| | ISCA SILVRVM |
 | | Iter XIII: "the route from Isca to Calleva, one-hundred and nine thousand paces"; a road journey which again starts off with the nine mile road to Burrium (Usk, Gwent), then via Blestium (Monmouth, Gwent) a further eleven miles further along the north bank of the Severn Estuary. |
 | | Iter XIV: "an alternative route from Isca to Calleva, one-hundred and three thousand paces", begins with a nine mile road trip to the civitas capital Venta Silurum (Caerwent, Gwent), followed by a fourteen mile journey across the Bristol Channel to Abona (Sea Mills, Avon). |
 | | Situated on the south-western edge of the modern town of Caerleon in Gwent, the Isca Silurum legionary fortress had a standard, playing-card outline measuring 1,600 by 1,350 feet (c. |
| www.roman-britain.org /places/isca_silurum.htm (4055 words) |
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