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Procedure for permitting the use of belt air to ventilate working sections of underground coal mines.

Bibliographic Details
Corporate Author: United States. Mine Safety and Health Administration (Author)
Format: Government Document eBook
Language:English
Published: [Arlington, Va.] : [U.S. Department of Labor, Mine Safety and Health Administration], 2012.
Series:Procedure instruction letter ; no. I12-V-14.
Subjects:
Mine ventilation > United States > Equipment and supplies.
Mine ventilation > Safety regulations > United States.
Mine atmospheres > United States > Safety measures.
Online Access:https://purl.fdlp.gov/GPO/gpo37865
Description
Item Description:Title from subject line (viewed on July 1, 2013).
"Effective Date: 05/07/2012, Expiration Date: 03/31/2014."
"Reissue of I10-V-06."
Physical Description:1 online resource (2 pages).