From southeast. 1=Praxiteles Base. 2=Modern Drain. 3= Late Roman Drain. 4=Late Roman Drain ... AMS Horizontal (normal) ... From southeast. 1=Praxiteles Base. 2=Modern Drain. 3= Late RomanDrain. 4=Late RomanDrain.
Stretch of Roman drain interrupted by Great Drain (continuation of drain) ... AMS 1210 Horizontal (normal) ... 16 Jul 1970 ... Stretch of Romandrain interrupted by Great Drain (continuation of drain).