More information : (Course sited from plan from TL 149069 - TL 150074). A defensive ditch known as Monk Ditch is attested from documentary sources and was in existence by the beginning of the 15th century. Its course is not known for certain, but it almost certainly ran parallel to, and to the west of, Tonman Ditch (TL 10 NW 14) between Sopwell Lane amd New Lane (now Hatfield Road). (See plan with TL 10 NW 14). (1)
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