PRINCETON, Ind. A federal rule issued Tuesday requires all U.S. mines to use sensors that can halt digging machines if miners get too close, a move aimed at preventing workers from being crushed to ...
GREEN RIVER - A Sweetwater County trona miner who was crushed to death in a February accident did not follow established mining procedures, a federal report issued Friday said. The Mine and Safety ...
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*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. PRINCETON, Ind. • A federal rule issued Tuesday requires all U.S. mines to use sensors that can halt digging machines if miners ...
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