Some Studies on Emergency Mine Communications
Author : Earl Jeffries Coggeshall
Publisher :
Page : 72 pages
File Size : 20,83 MB
Release : 1948
Category : Mine communication systems
ISBN :
Author : Earl Jeffries Coggeshall
Publisher :
Page : 72 pages
File Size : 20,83 MB
Release : 1948
Category : Mine communication systems
ISBN :
Author : Robert S. Sanford
Publisher :
Page : 1148 pages
File Size : 21,59 MB
Release : 1948
Category : Manganese
ISBN :
Author :
Publisher :
Page : 800 pages
File Size : 12,81 MB
Release : 1947
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 624 pages
File Size : 40,91 MB
Release : 1948
Category : Mineral industries
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 106 pages
File Size : 37,3 MB
Release : 1947
Category : Accidents
ISBN :
Author : Everett Perry Carman
Publisher :
Page : 770 pages
File Size : 17,96 MB
Release : 1955
Category : Anthracite coal
ISBN :
Author : Hiram Brown Humphrey
Publisher :
Page : 104 pages
File Size : 35,46 MB
Release : 1956
Category : Industrial hygiene
ISBN :
Author :
Publisher :
Page : 186 pages
File Size : 24,75 MB
Release : 1948
Category :
ISBN :
Author :
Publisher :
Page : 1620 pages
File Size : 42,99 MB
Release : 1948
Category : Government publications
ISBN :
Author : United States. Superintendent of Documents
Publisher :
Page : 1334 pages
File Size : 27,86 MB
Release : 1948
Category : Government publications
ISBN :
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index