Roof Monitoring Safety System for underground stone 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, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, [1998]
Series:	Technology news ; no. 475.
Subjects:	Mine roof control > United States > Methodology.
Online Access:	https://purl.fdlp.gov/GPO/LPS91891

Description
Item Description:	Title from title screen (viewed on Mar. 10, 2008). "August 1998." Electronic resource.
Physical Description:	2 unnumbered pages : digital, PDF file.
Format:	Mode of access: Internet from the CDC web site. Address as of 03/10/08: http://www.cdc.gov/niosh/mining/pubs/pdfs/475.pdf ; current access available via PURL.