Supplemental roof support materials.

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-07.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/gpo37861

Internet

https://purl.fdlp.gov/GPO/gpo37861

Available Online

Holdings details from Available Online
Call Number: L 38.17/2-3:I 12-V-07
 
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L 38.17/2-3:I 12-V-07 Available