Wall of Apsidal Corridor. Layer I; Loose Black Earth. Layer II; Firm Debris. South Wall of Odeion. North Foundation of Middle Stoa. Odeion Trench E; Apsidal Corridor; East Part ... ΩΔ-2 251, 252 ΩΔ:1938.0615:2 N 73686 ΩΔ:1938.0615:3 N 73687 ΩΔ:1938.0615:4 N 73688 ... 14 Jun 1938