NAZEING STAGE IN THE LEA VALLEY 109 A. Map of the northern part of the pit at Fishers Green. The area enclosed by the thick line is now worked out and flooded. The shaded areas indicate the approximate positions of the channels occupied by the "D" and "M" deposits of the Nazeing Stage [Hayward, 1957b and this paper]. The Vice- Comital boundary separates the Vice-Counties 19 and 20. The Administrative County Boundary separates Herts. from Essex. B. Generalized section across the more easterly channel based upon three lines of auger holes. was clear cut. It was, however, impossible to determine any sequence of deposits below the peat and the material was con- sidered in the aggregate. All the samples were obtained from the western side of the channel and they clearly represented the