Rectangular base adjoining the Great Drain to the east of the Tholos with drain ... east Horizontal (normal) ... 15 February 1938 ... Rectangular base adjoining the GreatDrain to the eastof the Tholos with drain.
Rectangular base adjoining the Great Drain to the east of the Tholos with drain ... AMS east Horizontal (normal) ... 15 February 1938 ... Rectangular base adjoining the GreatDrain to the eastof the Tholos with drain.
West Branch of the Great Drain, showing change of construction technique in the east wall of the drain ... AMS east 8348 ... 11 Apr 1956 ... West Branch of the GreatDrain, showing change of construction technique in the east wall of the drain.
