02017oas 2200637 a 450 991070092380332120210312105751.0(CKB)5470000002413792(OCoLC)752984380(EXLCZ)99547000000241379220110916b20042008 ua engur|||||||||||txtrdacontentcrdamediacrrdacarrierUnderground and surface mining factsPittsburgh, PA Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health-20111 online resource (volumes)DHHS (NIOSH) publicationUnderground & surfaceMineral industriesUnited StatesEmployeesStatisticsPeriodicalsMinersEmploymentUnited StatesStatisticsPeriodicalsMine accidentsUnited StatesStatisticsPeriodicalsMine safetyUnited StatesStatisticsPeriodicalsMine accidentsfastMine safetyfastMineral industriesEmployeesfastUnited StatesfastPeriodicals.fastStatistics.fastStatistics.lcgftMineral industriesEmployeesMinersEmploymentMine accidentsMine safetyMine accidents.Mine safety.Mineral industriesEmployees.National Institute for Occupational Safety and Health.GPOGPOGPOOCLCQOCLCAGPOOCLCOOCLCQOCLCFGILDSOCLCAGPOJOURNAL9910700923803321Underground and surface mining facts3210913UNINA