'Good chance' new Mount Gambier sinkhole linked to underground passages
'Good chance' new Mount Gambier sinkhole linked to underground passages
www.abc.net.au Sinkhole may link to underground Mount Gambier passages
Cave divers are itching to explore a new Mount Gambier sinkhole and discover if it forms a new passage under the city.
A cave diver says there is a very good chance a sinkhole that appeared in Mount Gambier on Sunday is connected to other passages under South Australia's second-largest city.