A group of earthworks are visible on RAF aerial photographs from 1941. There are three elements to the group, a bank and ditch system (including a D-shaped enclosure), an area of hollows and a group of parallel shallow ditches. The features all appear to have been plough-levelled within a few years of this date as they are visible only as cropmarks on RAF aerial photographs from 1946. The bank and ditch system may relate to the medieval and post-medieval salt working industry that is well documented in this area. The hollows and group of parallel ditches lie within the D-shaped enclosure. It is not clear what the hollows derive from or whether they are related to the bank and ditch system. The group of parallel ditches appear to be later than the hollows as they seem to cut through and overlie them. Their date and function is unclear and it is not clear whether they are related to the other features recorded within this area.