Efficiency of mine labor with special consideration of industrial medicine and health conservation.

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. 2117
Subjects:	Labor productivity. Mine accidents. Electronic books.
Online Access:	Connect to the full text of this electronic document