Metal mine ventilation and its relation to safety and efficiency in mining operations.

Bibliographic Details
Corporate Author:	United States. Department of Commerce
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1920.
Series:	Mines Bur. Rpt. of Investigation No. 2133
Subjects:	Air > Pollution. Metal trade. Mine accidents. Ventilation. Electronic books.
Online Access:	Connect to the full text of this electronic document

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