An Inventory of the Historical Monuments in the County of Northamptonshire, Volume 5, Archaeology and Churches in Northampton. Originally published by Her Majesty's Stationery Office, London, 1985.
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The extreme N. end of the old parish of Rothersthorpe, a small triangular area covering about 50 hectares, now lies within Northampton. For the remainder of the parish, see RCHM Northamptonshire IV, 127–31. It is almost flat ground, mainly Upper Lias Clay with glacially-derived sands and gravels along its E. edge.
Prehistoric or Roman
(1) Enclosures (SP 723577 and 722578), lie 300 m. N. of the M1, on glacial sand and gravel, at 64 m. above OD. Air photographs (in NMR) show a sub-rectangular enclosure covering about 1 hectare whose N.E. side appears to coincide with the existing stream. Within it are some indeterminate cropmarks, some of which may be relatively recent quarry pits (NDC A70). A possible second enclosure lies immediately to the N.W. (Northamptonshire Archaeol 12 (1977), 230; NDC A56).