Investigation of Longwall Gateroad Roof Support Characteristics at Powhatan No. 4 Mine
Author : Alexander May
Publisher :
Page : 490 pages
File Size : 35,26 MB
Release : 1982
Category : Acmite
ISBN :
Author : Alexander May
Publisher :
Page : 490 pages
File Size : 35,26 MB
Release : 1982
Category : Acmite
ISBN :
Author : Gregory J. Chekan
Publisher :
Page : 18 pages
File Size : 23,38 MB
Release : 1982
Category : Caving mining
ISBN :
Author :
Publisher :
Page : pages
File Size : 39,26 MB
Release : 1985
Category : Mineral industries
ISBN :
Author : K. O. Bennington
Publisher :
Page : 374 pages
File Size : 15,98 MB
Release : 1982
Category : Acmite
ISBN :
Author : Gregory J. Chekan
Publisher :
Page : pages
File Size : 38,29 MB
Release : 1982
Category :
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 148 pages
File Size : 14,91 MB
Release : 1984
Category : Fuel
ISBN :
Author :
Publisher :
Page : 1102 pages
File Size : 36,37 MB
Release : 1982
Category : Government publications
ISBN :
Author :
Publisher :
Page : 1060 pages
File Size : 38,85 MB
Release : 1982
Category : Government publications
ISBN :
Author : Eric R. Bauer
Publisher :
Page : 80 pages
File Size : 45,72 MB
Release : 1985
Category : Ground Control (mining)
ISBN :
Author :
Publisher :
Page : 28 pages
File Size : 14,73 MB
Release : 1985
Category : Gate roads (Mining)
ISBN :