Well cut into bedrock under late Roman building in ΕΛ. 1.2m in diameter with small cutting of unclear function at south edge about 0.2m wide. Walls cut straight down, tapering near bottom to 0.8m. Footholds ... Late Archaic ... This deposit should be called U 20-22: but won't be changed for practical reason ... into a water source, no ... (some 100kg+). A "contamination layer" was excavated
