Excavation sections with grid lines in sections (old grid) and the 20m. grid squares (new grid) ... John Travlos (1953-4) A. H. (1954) H. Athanassiades (Iro Athanassiadou) (1959) H. B. (1970, 1971) ... PD 654 PD 654-1954 PD 654-1959 PD 654-1970 PD 654-1971 Unpublished? PD book mentions revisions in 1973 and 1975. Horizontal (normal) ... 1953-1975