Typed on slide: 'Ooldea Soak
A depression surrounded by sand hills near the western edge of Nullarbor Plain,, possibly the best known historically in the whole area, being the only known permanent watering place. Water was obtainable by scratching a hole in the sand in pre-railway days.
The actual age famous old Aboriginal meeting ground. It was here and the surrounding sand hills where the initiations were held for as far afiled as Fowlers Bay- Eucla to the Musgrave, Warburton, Mann, Tomkinson Ranges. Actually a deep, huge clay bed holds the water in the covering sand hills. The railways pumped many thousands of gallons daily by sinking numerous wells in the clay bed.'