Author: Gregory J. ChekanPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 28
Book Description
Strata Interactions in Multiple-seam Mining--two Case Studies in Pennsylvania
Author: Gregory J. ChekanPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 28
Book Description
Strata interactions in multiple-seam mining : two case studies in Pennsylvania
Author: Gregory J. ChekanPublisher:
ISBN:
Category :
Languages : en
Pages : 17
Book Description
Bureau of Mines Research
Author: United States. Bureau of MinesPublisher:
ISBN:
Category : Fuel
Languages : en
Pages : 136
Book Description
Loading Characteristics of Pillars in Multiple-seam Mining Operations
Author: Gregory J. ChekanPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 28
Book Description
Structural Stability and Oxidation Resistance of Substitute Alloys with Various Cr and Mn Levels
Author: Je Myung OhPublisher:
ISBN:
Category : Chromium-iron alloys
Languages : en
Pages : 448
Book Description
Energy Research Abstracts
Author: Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 532
Book Description
Report of Investigations
Author: Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 414
Book Description
Proceedings
Author: Institute on Coal Mining Health, Safety and ResearchPublisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 152
Book Description
Design Practices for Multiple-seam Longwall Mines
Author: Gregory J. ChekanPublisher:
ISBN:
Category : Ground control (Mining)
Languages : en
Pages : 40
Book Description
Effects of Abandoned Multiple Seam Workings on a Longwall in Virginia
Author: Gregory J. ChekanPublisher:
ISBN:
Category : Longwall mining
Languages : en
Pages : 24
Book Description
