A 16-year-old teen was rescued from a 50-foot deep mine shaft in Northern California on Monday after the rope he was using to climb back out of the hole snapped, according to the California Department ...
PLACER COUNTY, Calif. -- A 16-year-old teen was rescued from a 50-foot deep mine shaft in Northern California on Monday after the rope he was using to climb back out of the hole snapped, according to ...
AZoMining on MSN
Why Deep Mines Heat Up: Groundbreaking Study Explains Airflow Temperature Variations
A recent article in Scientific Reports examined airflow temperature patterns during ultra-deep shaft construction using ...
NEW JERSEY — An unstable crater in the forest floor is just another reminder of the state's rich mining history and the many tunnels left behind and hiding just under the surface. Timothy Rack stands ...
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