Strata Interactions in Multiple-seam Mining--two Case Studies in Pennsylvania
Author : Gregory J. Chekan
Publisher :
Page : 28 pages
File Size : 33,84 MB
Release : 1986
Category : Coal mines and mining
ISBN :
Bureau of Mines Research
Author : United States. Bureau of Mines
Publisher :
Page : 136 pages
File Size : 19,87 MB
Release : 1988
Category : Fuel
ISBN :
Book Description
Loading Characteristics of Pillars in Multiple-seam Mining Operations
Author : Gregory J. Chekan
Publisher :
Page : 28 pages
File Size : 30,57 MB
Release : 1988
Category : Coal mines and mining
ISBN :
Book Description
Structural Stability and Oxidation Resistance of Substitute Alloys with Various Cr and Mn Levels
Author : Je Myung Oh
Publisher :
Page : 448 pages
File Size : 33,64 MB
Release : 1989
Category : Chromium-iron alloys
ISBN :
Book Description
Energy Research Abstracts
Author :
Publisher :
Page : 532 pages
File Size : 45,96 MB
Release : 1987
Category : Power resources
ISBN :
Book Description
Report of Investigations
Author :
Publisher :
Page : 414 pages
File Size : 30,73 MB
Release : 1991
Category : Mineral industries
ISBN :
Book Description
Proceedings
Author : Institute on Coal Mining Health, Safety and Research
Publisher :
Page : 152 pages
File Size : 23,74 MB
Release : 1991
Category : Coal mines and mining
ISBN :
Book Description
Beach Characteristics of Mine Waste Tailings
Author : Christine M. K. Boldt
Publisher :
Page : 462 pages
File Size : 40,21 MB
Release : 1988
Category : Mineral industries
ISBN :
Book Description
Design Practices for Multiple-seam Longwall Mines
Author : Gregory J. Chekan
Publisher :
Page : 40 pages
File Size : 50,7 MB
Release : 1993
Category : Ground control (Mining)
ISBN :
Book Description
Monthly Catalog of United States Government Publications
Author :
Publisher :
Page : 452 pages
File Size : 42,98 MB
Release : 1987
Category : Government publications
ISBN :
