Area: H, Grey worked tufo base at southwestern corner of Room H15.

Area: H, Concrete wall running east-west between block 7324 and base 7325

Area: H, Ashlar block aligned east-west south of block 7323 at the southern limit of Room H-15.

Area: H, Ashlar block aligned north-south in south center of Room H-15.

Area: H, Two ashlar blocks aligned north-south between walls 7374 and 7366

Area: H, Concave mortar feature in south end of H15

Area: H, Opus reticulatum wall on north side of Room H-16

Area: H, Remains of human skeleton in southeast corner of Room H-15.

Area: H, Rectangular feature of reworked tufo blocks and stones against wall 7322

Area: H, Ashlar wall running north-south at eastern limit of Room H-15, south of wall 7321.

Area: H, Ovaloid negative feature south of slabs 7320

Area: H, Linear feature of small tufo blocks extending westward from wall 7322, east of blocks 7382

Area: H, Irregular stretch of ashlar wall running north-south between walls 7078 and 7322 at eastern limit of Room H-15.

Area: H, Tufo slab floor in northeast corner of Room H-15.

Area: H, Ashlar wall aligned east-west running under slabs 7320, east of wall 7377

Area: H, Ashlar wall aligned north-south running under wall 7290

Area: H, Ashlar wall at southern limit of Room H-14 and northern limit of Room H-15, east of wall 7291.

Area: H, Concrete wall at western end of southern limit of Room H-14 and northern limit of Room H-15.

Area: H, Ashlar wall running north-south under wall 7375

Area: H, Deep cut into northwest corner of Room H15

Area: H, Western wall of Room H15

Area: H, Short stretch of wall extending eastward from wall 7375

Area: H, Ashlar wall running east-west, perpendicular to wall 7376

Area: H, Ashlar block aligned north-south in center of Room H-15, north of block 7323.

Area: H, Tufo slab floor remnant in central part of Room H-15.

Area: H, Concrete wall running north-south at center of Room H-15.

Area: H, Two ashlar blocks aligned east-west, south of negative feature 7380

Area: H, Linear feature of small tufo blocks running east-west, north of blocks 7381