Over the course of eleven campaigns of archaeological excavation, covering an area approximately 1.5km by 0.5km, several phases of land use were defined. Dating is problematical but both early and late Roman elements can be identified, along with at least two post-medieval phases, and it is considered likely that some features on the site were pre-Roman (Iron Age), including a single, discontinuous boundary some 750m long. It is clear that a large parcel of landscape in the south-west of the site was divided up according to a single scheme in the Roman period, the basic elements of which (a...