Print version: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Departments of Labor, Health and Human Services, Education, and Related Agencies. Proposed Mine Safety and Health Administration rule on coal dust
Microfiche version: United States. Congress. Senate. Committee on Appropriations. Subcommittee on Departments of Labor, Health and Human Services, Education, and Related Agencies. Proposed Mine Safety and Health Administration rule on coal dust