PEFS - Dartford, N side of rail-cutting: parallel-bedded mollusc-rich deposits noted in late 19th century (1), thought to be equivalent to the Crayford brickearth in nearby Erith, where important Palaeolithic and palaeoenvironmental remains have been found (2, 3, 4)

<1> Prestwich J, , 1891, On the age, formation, and successive drift-stages of the Darent; with remarks on the Palaeolithic implements of the district, and on the origin of the Chalk escarpment. , p153 (Article in serial). ske55094.

<2> Spurrell FCJ,, 1880, On the discovery of the place where Palaeolithic implements were made at Crayford. (Article in serial). SKE32229.

<3> Kennard AS, 1944, The Crayford Brickearths (Article in serial). ske55105.

<4> Cook, J, 1986, A blade industry from Stoneham's Pit, Crayford (Article in serial). ske55106.