Poros gutter along south side of river; From the east. Fill of Layer VII-A partially covering gutter lying in center and center left; edge of river on right ... AMS west 860 Horizontal (normal) ... 9 Aug 1991
Bottom of south channel as exposed in 1991 from the west. Yellow Poros Slabs visible along bottom, Doric column drum top center ... AMS east 858 Horizontal (normal) ... 9 Aug 1991
Bottom of south channel as exposed in 1991 from the west. Yellow Poros Slabs visible along bottom, Doric column drum top center ... AMS 858 Horizontal (normal) ... 9 Aug 1991
