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City Baltimmc / New Orleans / Turin / Unionville / Minneapolis / Baltimore / Arlington / / Company Burgess Publishing Company / Mine Workers of America / The times / / Currency STD / / Event Labor Issues / / Facility Mine Safety / Mine Safety and Health Administration / Mine Roof Botting Machine Safety / / IndustryTerm underground mining equipment / capture technologies / continuous miner equipment / routine mining activiand / virtual human simulation software / aclUal equipment / machinery / mining / continuous mining machin / / Organization Mine Safety and Health Administration / Institute for Occupational / Safety Division / System Safety Society / Occupational Safety and Health Administration / H~alth Administration / / Position Ranger / miner / representative / / ProvinceOrState Virginia / Maryland / / PublishedMedium the the National / / Technology capture technologies / simulation / / SocialTag 
MSHA - Comments on Public Rule Making - Proximity Detection Systems for Underground Mines