2 edition of Oversight on MSHA--roof falls in underground mining operations and the use of roof monitoring devices found in the catalog.
Oversight on MSHA--roof falls in underground mining operations and the use of roof monitoring devices
United States. Congress. House. Committee on Education and Labor. Subcommittee on Health and Safety.
Distributed to some depository libraries in microfiche.
|Other titles||Oversight on M.S.H.A.|
|The Physical Object|
|Pagination||iii, 73 p. :|
|Number of Pages||73|
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