DRAINS IN VALLEY OF RUINS
20. In B section of Posselt Ruins in a divisional wall at extreme north-west end of ruins.
21. In B section of Posselt Ruins in a divisional wall on north side 4 ft. wide.
22. In B section of Posselt Ruins in main south wall.
23. In Philips Ruins through a substantial wall east of large curved wall.
24. In Philips Ruins through wall on east side of previous drain.
25. In Mauch Ruins in divisional wall.
26. In Mauch Ruins in east main wall.
27. In Mauch Ruins in east wall of the outer enclosure.