Earthen fort built c.80-90, rebuilt in stone 120, abandoned 130.
See: http://www.pastscape.org.uk/hob.aspx?hob_id=106850
https://historicengland.org.uk/listing/the-list/list-entry/1003592
http://htt.herefordshire.gov.uk/docs/HA341_SHE19117_BRANOGENIUMLeintwardineCMPFINALVERSION.pdf