This is a wall of petit appareil that abuts the arch 3237 and appears related to it. It forms part of what was likely a substructure.
Taken from the north.
Taken from the east.
Southwestern portion of Area I at the end of season 2017
Arch of CBM and mortar at western limit of room I-11; E-W wall (S) abutting 8237 and 8120 in room I-11; N-S wall (S) abutting 8237 and 8238 in room I-11; E-W wall (N) abutting 8237 and 8012 in room I-11; N-S wall (N) abutting 8237 and 8240 in room I-11