Putting safety first : strengthening enforcement and creating a culture of compliance at mines and other dangerous workplaces : hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eleventh Congress, second session, on examining putting safety first, focusing on strengthening enforcement and creating a culture of compliance at mines and other dangerous workplaces, April 27, 2010.
Coverage: Washington : U.S. Govt. Print. Off., 2010