TQ 77 NE 1024 | Circular & undated shaped 'cropmarks, St. Mary Bay, St. Mary Hoo (Monument) () | |
TQ 77 NE 37 | Explosive stores, St. Mary's Marshes, St. Mary Hoo (Monument) () | |
TQ 87 NW 1011 | Rectangular feature, St. Mary's Marshes, St. Mary Hoo (Monument) () | |