Isometric drawing of the Great Drain west of Eponymous Heroes ... W.B. Dinsmoor, Jr ... 87-533 87-533 Dirty Heavy Tracing Paper Drafting Ink ... 1974
Isometric drawing of the Great Drain west of Eponymous Heroes ... W.B. Dinsmoor, Jr ... 87-533 87-533 ... 1974
Working plans of section Ζ in 1954. Earlier periods ... John Travlos Dorothy Burr Thompson ... Original missing. Old grid. Not an accurate plan! Faint Diazotype Drafting Ink Pencil Pen ... 1954
Working plans of section Ζ in 1954. Earlier periods ... John Travlos Dorothy Burr Thompson ... 1954
