Legislative history of the Federal coal mine health and safety act of 1969 :
(Public law 91-173) as amended through 1974, including blacklung amendments of 1972 : prepared for the Subcommittee on Labor of the Committee on Labor and Public Welfare, United States Senate.
Description
Viewability
Item Link | Original Source |
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Full view | University of Minnesota |
Full view pt.1 | Purdue University |
Full view PT.1 | University of Michigan |
Full view pt.2 | University of Minnesota |
Full view pt.2 | Purdue University |
Full view PT.2 | University of Michigan |