Dotta
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About the mine shafts...
Earlier this month small sinkholes emerged in the Ballarat neighbourhood of Black Hill,
an area dappled with historic goldmines and landfills.
Both geotechnical engineers and historians say the shafts hark back to the days of the gold rush in the 1850s.
And in modern times, sinkholes have appeared over the decades on and alongside roads,
in parks,
and even underneath private properties, because of them.
Geologists say it's nearly impossible to know the precise location of every single shaft or mine as record-keeping has not always been thorough."
This sinkhole emerged in Ballarat's Victoria Park in October 2022.
It has since been filled.
(Supplied: Ballarat City Council)
"Could you have an old gold mine under your backyard? In this Victorian city, it's possible.
Earlier this month small sinkholes emerged in the Ballarat neighbourhood of Black Hill,
an area dappled with historic goldmines and landfills.
Both geotechnical engineers and historians say the shafts hark back to the days of the gold rush in the 1850s.
And in modern times, sinkholes have appeared over the decades on and alongside roads,
in parks,
and even underneath private properties, because of them.
Geologists say it's nearly impossible to know the precise location of every single shaft or mine as record-keeping has not always been thorough."
This sinkhole emerged in Ballarat's Victoria Park in October 2022.
It has since been filled.
(Supplied: Ballarat City Council)
As sinkholes appear in Ballarat, experts warn of unmapped gold rush shafts hidden from detection
After prolonged wet weather, sinkholes are appearing in Ballarat. And with no good mining records from the historic 1850s gold rush, there's no way of knowing where the next one will open up.
www.abc.net.au
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