Figure 17.5 - The study area showing aerial photographic evidence for prehistoric and Romano-British field systems together with data from the Oxfordshire Sites and Monuments Record. The area around Rams Hill is highlighted to demonstrate landscape detail. In this case the suggested route of the early Ridgeway track and its current route. (� Crown Copyright Ordnance Survey. An EDINA Digimap/JISC supplied service. Aerial photographic data is � English Heritage National Mapping Programme).