| Key | Value |
| historic | monument |
| note | This comes from an official source first made in the past current fences and features don't form the protection boundry. see sources for details. |
| owner | UK Goverment;English Heritage |
| ref:Legacy System:RSM:UID | 30905 |
| ref:List entry Number | 1021040 |
| source | This has been manualy drawn referanceing the official PDF made at time of entry (16 October 2014) and interpeting the map to features on bingsat imagary errors are compound -areas beyond the fences are delibartly incld see web page for details |
| website | http://list.english-heritage.org.uk/resultsingle.aspx?uid=1021040&searchtype=mapsearch |
| wikidata | Q17676300 |