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Oversight on MSHA--roof falls in underground mining operations and the use of roof monitoring devices
Joyner Library
- Fed Docs Stacks
Call Number:
Y 4.ED 8/1:M 66/12
Development document for effluent limitations guidelines and new source performance standards for the builders paper and roofing felt segment of the builders paper and board mills point source category
Joyner Library
- Fed Docs Stacks
Call Number:
EP 1.8/3:B 86/2