The Brendon Hills Mapping Project forms part of the RCHME National Mapping Programme (NMP). It was undertaken by Aerial Survey in the Swindon office at the request of the Exeter Field Office who carried out a programme of field survey in the area. The project started in January 1998. The mapping phase was completed in October 1998, a report was produced shortly thereafter. The project aim was to interpret and transcribe, at a scale of 1:10000, all archaeological features visible on air photographs, dating from prehistoric to twentieth century features (industrial and military sites). The area comprises 7 1:10000 Ordnance Survey maps. All data is recorded in the National Monuments Record, AMIe database. The archive, which consists of the transcription pencil and inked overlays, paper records ( including Map Note Sheets and MORPH Record Sheets) and the specification and management reports, are held in the English Heritgae Archive in Swindon (Collection UID 1109080). "National Recording Project" applied to Associated Event Addresses to aid retrieval 2018.