Mine safety, basis for proposed exposure limit on respirable coal mine dust and possible approaches for lowering dust levels : report to congressional requesters.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Government Accountability Office, 2014.
Subjects:	Coal mines and mining > Dust control > Government policy > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo42500 http://purl.fdlp.gov/GPO/gpo42500

Available Online