The Epoch-Making Discovery Of The Indus Civilisation: Mohenjo-Daro, A city 5000 Years Old. Possibly a tank for sacred fish or crocodiles, or used for temple ablutions: the great bath at Mohenjo-Daro, 39 ft long by 23 ft broad, and 8 ft below floor level, with steps at each end and a shallow landing at their foot, and surrounded by corridors, halls, and chambers on containing a well for the water-supply. 7 January 1928