Area: I, Tufo block abutting tufo block 8282

Area: I, Circular opening into foundation SU 8351.

Area: I, Tiled floor on the western side of room I-11.

Area: I, foundation for wall 8120 supporting arch 8237

Area: I, Dark compact silty deposit under 8344.

Area: I, Dark, friable silty deposit under SU 8344.

Area: I, N S wall in room 11 between walls 8240 and 8238

Area: I, Deposit beneath arch, SU 8237

Area: I, Floor in room 11, robbed. Same as 8313.

Area: I, Silty brown deposit east of arch 8237 and west of floor 8317.

Area: I, Floor in room I-11 under SU 8308

Area: I, Robbery cut into floor 8313 filled by 8308

Area: I, robbed floor in room 11

Area: I, layer of rubble and tiles in room 11

Area: I, Threshold of Room I-11 between walls 8120 and 8016.

Area: I, Roughly rectangular tufo block on top of threshold SU 8283.

Area: I, Collapse of tufo, basalt, and rocks on eastern side of Room I-12.

Area: I, E-W wall (S) bound to 8237 and 8233 in room I-11

Area: I, E-W wall (N) bound to 8237 and 8232 in room I-11

Area: I, Opus signinum covering S facade of 8012 in room I-11

Area: I, Opus signinum covering N facade of 8120 in room I-11

Area: I, N-S wall (N) abutting 8237 and 8240 in room I-11

Area: I, E-W wall (N) abutting 8237 and 8012 in room I-11

Area: I, N-S wall (S) abutting 8237 and 8238 in room I-11

Area: I, E-W wall (S) abutting 8237 and 8120 in room I-11

Area: I, Arch of CBM and mortar at western limit of room I-11

Area: I, N-S wall (S) N of 8120 in room I-11

Area: I, N-S wall (N) S of 8012 in room I-11

Area: I, Layer of collapse in pedestal beneath stone block (N), equals 8118.

Area: I, E-W wall (E) of Room I-12, W of wall 8016

Area: I, E-W wall (S) of room I-11, in NW quadrant of area

Area: I, Collapse in western sector of area, in rooms I-11, I-12, and I-17

Area: I, N-S wall west of Room I-2 and E of rooms I-11 and I-12

Area: I, E-W wall south of rooms I-3, I-10 and I-18