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Fig. 1 Wouldhams Quarry in Grays Thurrock August 1988 after levelling for the
Chafford Hundred development. This area is now all housing. Photograph © P. R. Harvey
Fig. 2 The southern half of Grays Chalk Pit in 1988 (lost in 1984). Photograph © p. R Harvey
Essex Naturalist (New Series) 16 (1999)