A 20-21:1: Drain cutting

Early cutting beside Great Drain: 103-111/Λ-ΛΓ (= "Deep cutting" Pit at 107/ΛΑ). Abandonment filling in channel for early drain; the fragment of a red figured bell krater, P 17000, probably to be dated ... Ca. 425-395 B.C.

B 20:1: Well

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.