Active List of Permissible Explosives and Blasting Devices Approved Before December 31, 1951
Author : Norman E. Hanna
Publisher :
Page : 20 pages
File Size : 47,18 MB
Release : 1952
Category : Blasting
ISBN :
Author : Norman E. Hanna
Publisher :
Page : 20 pages
File Size : 47,18 MB
Release : 1952
Category : Blasting
ISBN :
Author : Norman E. Hanna
Publisher :
Page : 18 pages
File Size : 31,51 MB
Release : 1958
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 1238 pages
File Size : 23,86 MB
Release : 1958
Category : Mines and mineral resources
ISBN :
Author : Hiram Brown Humphrey
Publisher :
Page : 104 pages
File Size : 29,14 MB
Release : 1956
Category : Industrial hygiene
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 196 pages
File Size : 34,44 MB
Release : 1949
Category : Mineral industries
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 838 pages
File Size : 44,6 MB
Release : 1960
Category : Mineral engineering
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 846 pages
File Size : 33,19 MB
Release : 1960
Category : Government publications
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 840 pages
File Size : 49,16 MB
Release : 1960
Category : Mineral industries
ISBN :
Author : J. D. Walker (Jr.)
Publisher :
Page : 30 pages
File Size : 34,38 MB
Release : 1953
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 822 pages
File Size : 43,16 MB
Release : 1953
Category : Mines and mineral resources
ISBN :