Super stopping : a permanent solid stopping for directing ventilation airflows in large-opening metal/nonmetal mines.

Bibliographic Details
Corporate Author: Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health)
Format: Government Document Book
Language:English
Published: [Pittsburgh, Pa.] : U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, [2006]
Series:Technology news ; no. 518.
DHHS publication ; no. 2006-134.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/LPS92235

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