- BHP sees ‘extreme’ consequences from WA dam failures The West Australian
- Miners Glencore and BHP Billiton admit 'extreme' risks at dams The Times
- Five BHP tailings dams could pose 'extreme risk' to communities in event of collapse MINING.com
- BHP reveals five mine dams at 'extreme' risk of causing damage and loss of life The Guardian
- BHP unveils 'tailings taskforce' following Brazil incidents Australian Mining
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