Cooling Mine Air During Summer Months to Prevent Roof Falls
Author : C. A. Herbert
Publisher :
Page : 28 pages
File Size : 34,27 MB
Release : 1940
Category : Cooling
ISBN :
Author : C. A. Herbert
Publisher :
Page : 28 pages
File Size : 34,27 MB
Release : 1940
Category : Cooling
ISBN :
Author : Charles Arthur Herbert
Publisher :
Page : 18 pages
File Size : 32,94 MB
Release : 1940
Category : Coal mines and mining
ISBN :
Author : Edward L. Fish
Publisher :
Page : 54 pages
File Size : 45,78 MB
Release : 1944
Category : Coal mine accidents
ISBN :
Author :
Publisher :
Page : 870 pages
File Size : 20,62 MB
Release : 1937
Category : Mine safety
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 1052 pages
File Size : 15,42 MB
Release : 1929
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 874 pages
File Size : 50,57 MB
Release : 1946
Category : Mineral industries
ISBN :
Author : Everett Perry Carman
Publisher :
Page : 770 pages
File Size : 30,86 MB
Release : 1955
Category : Anthracite coal
ISBN :
Author : United States. Superintendent of Documents
Publisher :
Page : 2868 pages
File Size : 43,8 MB
Release :
Category : Government publications
ISBN :
Author : Hiram Brown Humphrey
Publisher :
Page : 104 pages
File Size : 11,7 MB
Release : 1956
Category : Industrial hygiene
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 106 pages
File Size : 40,58 MB
Release : 1947
Category : Accidents
ISBN :