$BHP Group Ltd (BHP.AU)$ sold West Musgrave back in 2014 to ...

$BHP Group Ltd(BHP.AU)$ sold West Musgrave back in 2014 to Cassini Resources for $250,000. Two years later, Oz Minerals began building up a significant stake in Cassini. By 2020, Oz Minerals acquired the whole company, valuing it at approximately $76 million.
When BHP acquired Oz Minerals, the West Musgrave assets were valued between US$1.15 billion to US$1.3 billion. Now, it's effectively worthless.