At Huttoft, on the Lincolnshire coast, the SPNR identified two parallel dykes and their banks stretching eastward from the village of Huttoft to the old Roman sea wall. This site was marked for preservation due to the rare Blue Iris Iris spuria. The dykes are still there but sadly this iris has not been seen since 1982. The Lincolnshire Wildlife Trust owns a nearby nature reserve at Huttoft Bank Pit - a flooded pit created by excavations for repairs to the nearby sea wall.
(Above) The original SPNR survey documents for Huttoft.