Roman use fill in lowest 6.70m; Byz upper fill (dump). Notebook lists eight fills; subdivisions based on shelf groupings.
Subdivisions:
.1=Dumped fills 1-2, Byzantine
.2=Fill 3 (baskets 18-37)
.3=Fill ... 50-150 A.D. to Early Byz.
The cistern at 70/ΝΗ and the channel [65/ΞΑ] between chambers 70/ΝΗ and 63/ΞΒ seem to have a uniform dumped filling of first half 2nd c. A.D ... First half of 2nd c. A.D.