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An Inventory of the Historical Monuments in the County of Northamptonshire
… inner ditch 25 m. in diam. (air photographs in NMR). b(2) Ditches (TL 05509846; Fig. 120), immediately S. of Sulehay … at 150 ft. above OD. Air photographs show a set of ditches of no coherent form. The S. extension has been … above OD. Air photographs show a rectangular pattern of ditches in the field centred on a Roman building revealed by …
Survey of London
… Road) the land was undeveloped. It was divided by open ditches into fields, Float Mead, The Twenty-one Acres, and …