Mounds of dirt (mullock) removed from mining shafts and tunnels at Coober Pedy. Opal is what most miners are searching for in this desert landscape.

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Size: 8256px × 5504px
Location: Coober Pedy, South Australia, Australia
Photo credit: © Samantha Ohlsen / Alamy / Afripics
License: Royalty Free
Model Released: No

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