Area: H, Grey tufo pillar at northwest corner of Rooms H-13 and H-14.

Area: H, Concrete wall with large basalt stones at eastern end of northern wall of Room H-14 and southern wall of Room H-13.

Area: H, Opus reticulatum wall at eastern end of northern part of Room H-14 and southern part of Room H-13.

Area: H, Layer of large basalt stones in northern half of Room H-14.

Area: H, Compact layer with tufo and mortar inclusions in southern half of Room H-14.

Area: H, Short stretch of ashlar wall at eastern end of southern limit of Room H-14.

Area: H, Short patch of concrete wall at southern limit of Room H-14 between ashlar walls 7288 and 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, Western wall of Room H-14.

Area: H, Worked grey tufo base beneath wall 7292 in Room H-14.

Area: H, Large tufo block beneath base 7293, east of wall 7292 in Room H-14.

Area: H, Large negative feature in southwest corner of Room H-14.