Plan of sections Ζ and Δ: Detail of Building D, archaic walls at lower level ... Charles S.Spector ... f Fragile Distored Faint Cartridge Paper Pencil ... 1933 ... Plan of sections Ζ and Δ: Detail of Building D, archaic walls at lower level.
Plan of the Great Drain at fork in Section Ζ ... Charles S. Spector ... Dirty Cartridge Paper Drafting Ink ... 1933 ... Plan of the Great Drain at fork in Section Ζ.
