Mandatory health and safety standards : surface coal mines and surface work areas of underground coal mines
Title:
Mandatory health and safety standards : surface coal mines and surface work areas of underground coal mines
Author:
United States. Bureau of Mines.
Corporate Author:
Publication Information:
[Washington] : The Bureau, 1972.
Physical Description:
1 volume ; 19 cm
General Note:
Loose-leaf for updating.
Language:
English
Subject Term:
Format :
Book