The Roman Rig is a defensive dyke built to defend against attack from the south. It runs from Sheffield, past Templeborough and carries on almost to Doncaster. If this is a Brigantian dyke it would certainly add weight to Websters definition of the Roman border in the period.
Little is known about the camp at Scholes Coppice, but it's small size and proximity to Roman Rig mean it could well have been used as a patrol fort for the Roman Rig defence.
Sutton Common is an early Iron Age fort/enclosure site just north of Doncaster, A key feature of this "marsh fort" is that it seems to use the surrounding marsh land as part of its defence - a twist on the more common hill fort.
This is an oval fort with an internal area of 2.5 acres. A bank, ditch and counterscarp bank are continuous around it except on the N side where ditch and counterscarp have been destroyed.