01322nam 2200325z- 450 991069417300332120060925101201.0(CKB)5860000000028457(BIP)013779959(EXLCZ)99586000000002845720220406c2006uuuu -u- -engMine safety and health a Congressional perspective : hearing before the Subcommittee on Workforce Protections of the Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Ninth Congress, second session, March 16, 20061 online resource (iii, 41 p.) 0-16-077010-6 Mine safety and health Mine safetyLaw and legislationUnited StatesMinersHealth and hygieneLaw and legislationUnited StatesMine safetyMinersLabor laws and legislationTechnology & engineeringLawMine safetyLaw and legislationMinersHealth and hygieneLaw and legislationUnited States, Congress House Committee on Education and the Workforce Subcommittee on Workforce Protections Staff,othBOOK9910694173003321Mine safety and health3122937UNINA