South Australia, Australia
(caves, underwater lagoons)
Limestone Coast, South Australia, Australia
(caves, underwater lagoons)
Mount Gambier, South Australia, Australia
(environs, caves, underwater lagoons)
Coast, South Australia, Australia
(caves, underwater lagoons)
South East South Australia, South Australia, Australia
(caves, underwater lagoons)
1972 - 1972
1972 - 1973