ΝΝ-37
Looking west, wall between 4N and 4B, showing lower early wall under later ... AMS Horizontal (normal)
North side of Room 4N, showing layer 9 cleaned and north wall of room ... AMS Horizontal (normal)
Looking east to drain. North wall of Rooms 4N and 4B, Layer 9 in 4N as labelled ... AMS Horizontal (normal)
