Run-through check curtains.

Bibliographic Details
Corporate Author:	United States. Mine Safety and Health Administration
Format:	Government Document eBook
Language:	English
Published:	[Arlington, Va.] : [U.S. Dept. of Labor, Mine Safety and Health Administration], [2011]
Series:	Program information bulletin ; no. P 11-42.
Subjects:	Coal mines and mining > United States > Equipment and supplies. Mine safety > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo10473

Description
Item Description:	Title from title screen (viewed on July 27, 2011). "Issue date 5/20/2011." Electronic resource.
Physical Description:	1 online resource (3 pages).