Question: Downton is a civil parish in Herefordshire, located in the north of the county and containing the village of Downton-on-the-Rock, in which manuscript record of the "Great Survey" of much of England and parts of Wales completed in 1086, Downton is referred to as "Duntune", meaning "hill settlement"?
Facts:
Downton, Herefordshire was referred in the Domesday Book as Duntune
Domesday Book is a manuscript record of the Great Survey
Answer: Domesday Book