Cover Image

Reissue of P05-19 : use of mobile roof support (MRS) units for retreat mining.

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 11-30.
Subjects:
Mine roof control > United States > Safety measures.
Mine roof bolting > Safety measures.
Pillaring (Mining) > Safety measures.
Mining machinery > United States.
Mine safety > United States.
Online Access:https://purl.fdlp.gov/GPO/gpo10265
Description
Item Description:Title from title screen (viewed on July 21, 2011).
"Issue date 4/27/2011."
Electronic resource.
Physical Description:1 online resource (4 pages).