Mining robot stranded on Pacific Ocean floor in deep-sea mining trial

Deep-Sea Riches: Mining a Remote Ecosystem - The New York Times

The Mining Industry's Next Frontier Is Deep, Deep Under the Sea

New underwater robots mine the deep sea floor without environmental damage

Pacific Islands remain divided on deep-sea mining as trial begins to extract precious metals from ocean floor - ABC News

Thirty-six Thousand Feet Under the Sea

Deep-sea mining tests resume after robot rescued from Pacific Ocean floor

Deep sea mining robot gets stuck 4,500 metres beneath Pacific Ocean's surface - Offshore Energy

Deep-sea mining tests resume as lost robot rescued

Mining robot stranded on Pacific Ocean floor in deep-sea mining trial - The Hindu