Great Drain Bridge; Tumble to North of Water Channel. Great Drain Bridge; Under Strosis I. Great Drain Bridge; Under Strosis II. Great Drain Bridge; Under Strosis III. Great Drain Bridge; Soft Fill above ... ΠΠ-6 1032, 1033 ΠΠ:1948.0422:27 ΠΠ:1948.0422:28 ΠΠ:1948.0422:29 ΠΠ:1948.0422:30 ΠΠ:1948.0422:31 ΠΠ:1948.0422:32 ΠΠ:1948.0423:6 ΠΠ:1948.0423:7 ΠΠ:1948.0423:8 ΠΠ:1948.0423:9 ΠΠ:1948.0423:10 ΠΠ:1948.0427:61 ... Late Roman-Byzantine