Geologic Factors Causing Roof Instability and Methane Emission Problems PDF Download

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Geologic Factors Causing Roof Instability and Methane Emission Problems

Geologic Factors Causing Roof Instability and Methane Emission Problems PDF Author: Charles M. McCulloch
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 34

Book Description

Geologic Factors Causing Roof Instability and Methane Emission Problems

Geologic Factors Causing Roof Instability and Methane Emission Problems PDF Author: Charles M. McCulloch
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 34

Book Description

Geologic Factors Causing Roof Instability and Methane Emission Problems: the Lower Kittaning Coalbed, Cambria County, Pa

Geologic Factors Causing Roof Instability and Methane Emission Problems: the Lower Kittaning Coalbed, Cambria County, Pa PDF Author: Charles M. McCulloch
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 36

Book Description

Geological Factors Affecting Methane in the Beckley Coalbed

Geological Factors Affecting Methane in the Beckley Coalbed PDF Author: John T. Popp
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 44

Book Description

Selected Geologic Factors Affecting Mining of the Pittsburgh Coalbed

Selected Geologic Factors Affecting Mining of the Pittsburgh Coalbed PDF Author:
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 84

Book Description

Longwall Gate Road Roof Instability and Methods of Control in the Lower Kittanning Coalbed of Central Pennsylvania

Longwall Gate Road Roof Instability and Methods of Control in the Lower Kittanning Coalbed of Central Pennsylvania PDF Author: Eric R. Bauer
Publisher:
ISBN:
Category : Gate roads (Mining)
Languages : en
Pages : 28

Book Description

Report of Investigations

Report of Investigations PDF Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages :

Book Description

Methane Emission from U.S. Coal Mines in 1973

Methane Emission from U.S. Coal Mines in 1973 PDF Author: M. C. Irani
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 56

Book Description

Cutter Roof Failure

Cutter Roof Failure PDF Author: Eric R. Bauer
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 28

Book Description

Monthly Catalog, United States Public Documents

Monthly Catalog, United States Public Documents PDF Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1252

Book Description
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.

Structural Design Considerations for Deep Mine Shafts

Structural Design Considerations for Deep Mine Shafts PDF Author: Samuel S. M. Chan
Publisher:
ISBN:
Category : Finite element method
Languages : en
Pages : 536

Book Description

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